# Idea of Functions MCQs Test and Answers pdf Download

Practice idea of functions MCQs and math for test prep and learning. Free study guide has multiple choice questions (MCQ) with idea of functions quiz as by putting value for x as -4 in function y = 5x, answer will be with answering options 1, −20, 20 and −1 for exam preparation. Study to learn idea of functions quiz with MCQs to find questions answers based online tests.

## MCQs on Idea of Functions

MCQ. By putting value for x as -4 in function y = 5x, answer will be

- 1
- −20
- 20
- −1

B

MCQ. If monthly pay of salesman is 'y' and includes basic pay $200 plus a commission of $5 for every unit he sales then function for this can be written as

- x = 205 + 5y
- 200 + 5xy
- y = 200 + 5x
- y = 205 + x

C

MCQ. By putting value for x as 3 in function y = 10x, answer will be

- 3.334
- 7
- 30
- 13

C

MCQ. Consider function y = 10 - 4x, if value of x = -1 then value of 'y' is

- 6
- −2
- 14
- 2

C

MCQ. If each ticket of amusement park is sold for $20 then function for total sales can be written as

- y = 20 + x
- 20xy
- x = 20y
- y = 20x

D