Mastering Functions
Mathematics
Grade 7
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About This Worksheet
A worksheet covering the basics of functions for Grade 7 students, including understanding, evaluation, and application.
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Mastering Functions
Subject: MathematicsGrade: Grade 7
Name:
Date:
Untitled Worksheet
Grade Grade 7
A
Introduction
Review the concept of functions. Remember, a function relates an input to exactly one output, often written as y = f(x).
B
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
If f(x) = 2x + 3, find f(4).
[2 marks]2.
Calculate the value of f(0) for f(x) = 3x - 5.
[2 marks]3.
Determine f(7) if f(x) = x^2 - 4.
[2 marks]4.
Evaluate f(3) where f(x) = 5x.
[2 marks]5.
If g(x) = x/2 + 1, what is g(10)?
[2 marks]6.
Find g(0) for g(x) = 4x - 3.
[2 marks]7.
Calculate f(2) if f(x) = x^3.
[2 marks]8.
Determine f(5) where f(x) = 7 - x.
[2 marks]9.
If h(x) = 3x + 2, find h(6).
[2 marks]10.
Calculate h(0) for h(x) = x^2 + 1.
[2 marks]11.
A function f is defined as f(x) = 2x + 5. Find the value of x when f(x) = 13.
[3 marks]12.
If g(x) = 3x - 4 and g(2) = 2, what is g(5)?
[3 marks]13.
Solve for x: f(x) = 3x + 2, where f(x) = 11.
[3 marks]14.
Given h(x) = 2x - 1, find x if h(x) = 7.
[3 marks]15.
A function f(x) = x^2 + 2x. Calculate f(3).
[2 marks]16.
Challenge: A car's fuel consumption is modeled by f(x) = 0.5x + 4, where x is the distance traveled in km. How much fuel is needed for 150 km?
[4 marks]Quick Actions
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- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
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