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Cool Worksheets for Edexcel Year 1 Maths: Exponential Functions & Logarithms

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Kat ◡̈

14/01/2023

Maths

Edexcel maths year 1 - exponential functions and logarithms notes

Cool Worksheets for Edexcel Year 1 Maths: Exponential Functions & Logarithms

Understanding exponential functions and logarithms is crucial for success in A Level Maths exponentials and logarithms Exam questions.

The study of exponential functions begins with understanding basic properties and transformations. Students learn how to manipulate expressions like ax where 'a' is the base and x is the exponent. Key concepts include recognizing that exponential functions always produce positive outputs for positive bases, and the graph never touches the x-axis. When working with Exponential Modelling A Level Maths Edexcel, students explore real-world applications like population growth, radioactive decay, and compound interest calculations.

Logarithms are introduced as the inverse of exponential functions, making them essential for solving exponential equations. In Exponentials and logarithms AS Level Maths Edexcel, students learn the fundamental laws of logarithms: the product rule (loga(xy) = loga(x) + loga(y)), quotient rule (loga(x/y) = loga(x) - loga(y)), and power rule (loga(x^n) = n loga(x)). These rules are extensively practiced through A level Maths logarithms questions and answers pdf materials. The natural logarithm (ln) and exponential function (e^x) receive special attention due to their importance in calculus and real-world applications. Students also master Exponential and logarithmic transformations edexcel maths solutions, learning how shifts, stretches, and reflections affect graphs of both exponential and logarithmic functions. This includes understanding how parameters in equations like y = a^(x+b) + c or y = log_a(x+b) + c influence the shape and position of graphs. Through progressive practice with Exponentials and logarithms A Level Maths pdf resources, students develop proficiency in solving complex problems involving both types of functions.

...

14/01/2023

636

Exponential functions
f(x) = a* (where a is a constant)
Example....
All Cross the
प
at I as Any number
to the power of 0 is I
asymtote
Diffe

View

Logarithms

This page delves into logarithms, a crucial topic for A level Maths logarithms questions and answers pdf.

Logarithms are introduced as the inverse of exponential functions:

Definition: If aˣ = n, then log_ann = x

The laws of logarithms are presented:

  1. Multiplication law: log_axx + log_ayy = log_axyxy
  2. Division law: log_axx - log_ayy = log_ax/yx/y
  3. Power law: log_axnx^n = n log_axx

Special cases and properties of logarithms are discussed:

Highlight: log_aaa = 1 and log_a11 = 0

The page also covers the natural logarithm lnln and provides examples of solving logarithmic equations:

Example: 3ˣ = 2ˣ⁺¹ Solution: x = ln22 / ln(3ln(3 - ln22) ≈ 1.71 3sigfigs3 sig figs

These concepts are essential for Exponentials and logarithms AS Level Maths Edexcel coursework.

Exponential functions
f(x) = a* (where a is a constant)
Example....
All Cross the
प
at I as Any number
to the power of 0 is I
asymtote
Diffe

View

Exponential Modelling

This final page demonstrates the practical application of exponential functions in modelling real-world phenomena, essential for Exponential Modelling A Level Maths Edexcel.

A detailed example is provided, modeling the density of a pesticide over time:

Example: P = 160e^0.006t-0.006t, where P is the density of pesticide and t is time in days

The page walks through various calculations and interpretations:

  1. Calculating the density after 15 days
  2. Interpreting the initial conditions t=0t = 0
  3. Finding the rate of change of density

Highlight: The rate of change of the pesticide density is given by dP/dt = -0.006P, indicating a decreasing density over time.

This example illustrates the power of exponential models in describing decay processes and demonstrates key skills required for A level Maths exponentials and logarithms Exam questions.

The page concludes with a discussion on interpreting the model and its limitations, providing valuable insights for students preparing for Exponentials and logarithms A Level Maths pdf assessments.

Exponential functions
f(x) = a* (where a is a constant)
Example....
All Cross the
प
at I as Any number
to the power of 0 is I
asymtote
Diffe

View

Exponential Functions

This page introduces exponential functions and their properties, essential for Edexcel year 1 maths exponential functions worksheets.

Exponential functions are defined as fxx = aˣ, where a is a constant. These functions have unique properties:

Highlight: All exponential functions cross the y-axis at y = 1, as any number to the power of 0 is 1.

The page also covers differentiation of exponential functions:

Example: If fxx = eˣ, then f'xx = eˣ If fxx = e^kxkx, then f'xx = ke^kxkx

Transformations of exponential functions are explored, including vertical and horizontal shifts, reflections, and stretches. Several examples are provided to illustrate these concepts:

Example: y = 10eˣ verticalstretchvertical stretch y = 3 + 4e^2x2x combinationoftransformationscombination of transformations

The page concludes with a comparison of exponential functions and their reciprocals, such as y = 2ˣ and y = 1/21/2ˣ, which are reflections of each other in the y-axis.

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Maths

636

14 Jan 2023

4 pages

Cool Worksheets for Edexcel Year 1 Maths: Exponential Functions & Logarithms

user profile picture

Kat ◡̈

@katmccrindell_xoxo

Understanding exponential functions and logarithms is crucial for success in A Level Maths exponentials and logarithms Exam questions.

The study of exponential functions begins with understanding basic properties and transformations. Students learn how to manipulate expressions like ax where... Show more

Exponential functions
f(x) = a* (where a is a constant)
Example....
All Cross the
प
at I as Any number
to the power of 0 is I
asymtote
Diffe

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

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Logarithms

This page delves into logarithms, a crucial topic for A level Maths logarithms questions and answers pdf.

Logarithms are introduced as the inverse of exponential functions:

Definition: If aˣ = n, then log_ann = x

The laws of logarithms are presented:

  1. Multiplication law: log_axx + log_ayy = log_axyxy
  2. Division law: log_axx - log_ayy = log_ax/yx/y
  3. Power law: log_axnx^n = n log_axx

Special cases and properties of logarithms are discussed:

Highlight: log_aaa = 1 and log_a11 = 0

The page also covers the natural logarithm lnln and provides examples of solving logarithmic equations:

Example: 3ˣ = 2ˣ⁺¹ Solution: x = ln22 / ln(3ln(3 - ln22) ≈ 1.71 3sigfigs3 sig figs

These concepts are essential for Exponentials and logarithms AS Level Maths Edexcel coursework.

Exponential functions
f(x) = a* (where a is a constant)
Example....
All Cross the
प
at I as Any number
to the power of 0 is I
asymtote
Diffe

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Exponential Modelling

This final page demonstrates the practical application of exponential functions in modelling real-world phenomena, essential for Exponential Modelling A Level Maths Edexcel.

A detailed example is provided, modeling the density of a pesticide over time:

Example: P = 160e^0.006t-0.006t, where P is the density of pesticide and t is time in days

The page walks through various calculations and interpretations:

  1. Calculating the density after 15 days
  2. Interpreting the initial conditions t=0t = 0
  3. Finding the rate of change of density

Highlight: The rate of change of the pesticide density is given by dP/dt = -0.006P, indicating a decreasing density over time.

This example illustrates the power of exponential models in describing decay processes and demonstrates key skills required for A level Maths exponentials and logarithms Exam questions.

The page concludes with a discussion on interpreting the model and its limitations, providing valuable insights for students preparing for Exponentials and logarithms A Level Maths pdf assessments.

Exponential functions
f(x) = a* (where a is a constant)
Example....
All Cross the
प
at I as Any number
to the power of 0 is I
asymtote
Diffe

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Exponential Functions

This page introduces exponential functions and their properties, essential for Edexcel year 1 maths exponential functions worksheets.

Exponential functions are defined as fxx = aˣ, where a is a constant. These functions have unique properties:

Highlight: All exponential functions cross the y-axis at y = 1, as any number to the power of 0 is 1.

The page also covers differentiation of exponential functions:

Example: If fxx = eˣ, then f'xx = eˣ If fxx = e^kxkx, then f'xx = ke^kxkx

Transformations of exponential functions are explored, including vertical and horizontal shifts, reflections, and stretches. Several examples are provided to illustrate these concepts:

Example: y = 10eˣ verticalstretchvertical stretch y = 3 + 4e^2x2x combinationoftransformationscombination of transformations

The page concludes with a comparison of exponential functions and their reciprocals, such as y = 2ˣ and y = 1/21/2ˣ, which are reflections of each other in the y-axis.

Exponential functions
f(x) = a* (where a is a constant)
Example....
All Cross the
प
at I as Any number
to the power of 0 is I
asymtote
Diffe

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

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Stefan S

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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.

Basil

Android user

This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.

Rohan U

Android user

I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.

Xander S

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now

Paul T

iOS user