📅2026 FAFSA Deadline: June 30, 2026→
4

Set 1: Function Notation (Beginner)

Explanation

Answer: C

PROBLEM

If f(x) = 5x + 2, find f(3).

If f(x) = 5x + 2, find f(3).

A.

18

B.

19

C.

17

✓ Correct
D.

20

Detailed Explanation

Choice C is the best answer. f(3) = 5(3) + 2 = 15 + 2 = 17

Why others are wrong:
A: 18 is incorrect because it does not satisfy the equation.
B: 19 is incorrect because it does not satisfy the equation.
D: 20 is incorrect because it does not satisfy the equation.
← PreviousNext →