Mastering Functions

Mathematics
Grade 7
11 questions
~22 mins
0 views0 downloads

About This Worksheet

A worksheet covering Introduction to Functions for Grade 7 students. Focuses on understanding the concept and applying basic function rules.

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Mastering Functions

Subject: MathematicsGrade: Grade 7
Name:
Date:

Untitled Worksheet

Grade Grade 7
A

Practice Questions

Answer all questions. Show your working in the grid spaces provided.
1.
Evaluate the function f(x) = 3x + 2 for x = 4.
[1 mark]
2.
Calculate the value of f(7) if f(x) = 2x - 5.
[1 mark]
3.
Find the value of x when f(x) = 11, where f(x) = x + 6.
[1 mark]
4.
Determine f(3) if f(x) = 4x.
[1 mark]
5.
Which of the following is a function? (a) y = 2x + 1 (b) x^2 + y^2 = 25
[1 mark]
Aa
Bb
6.
Identify whether the relation y = x^2 is a function for x = -2, 0, 2.
[2 marks]
7.
Given f(x) = 5x - 3, find the value of f(2) + f(4).
[2 marks]
8.
If f(x) = 2x + 1, what is f(3x) in terms of x?
[2 marks]
9.
Plot the points for the function f(x) = x + 2 for x = 0, 1, 2, 3, 4.
[3 marks]
10.
Challenge: A toy costs $10. The total price after x toys is modeled by the function T(x) = 10x. How much will 15 toys cost?
[3 marks]
11.
Real-world: A car rental company charges a fixed fee of $50 plus $20 per day. Write the function representing the total cost C(d) for d days and find the cost for 5 days.
[3 marks]

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Details

Created
12/30/2025
Updated
12/30/2025
Type
worksheet