📅2026 FAFSA Deadline: June 30, 2026→
9

Set 2: Function Notation (Beginner)

Explanation

Answer: C

PROBLEM

If f(x) = 2x - 4, find f(5).

If f(x) = 2x - 4, find f(5).

A.

5

B.

8

C.

6

✓ Correct
D.

7

Detailed Explanation

Choice C is the best answer. f(5) = 2(5) - 4 = 10 - 4 = 6

Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
B: 8 is incorrect because it does not satisfy the equation.
D: 7 is incorrect because it does not satisfy the equation.
← PreviousNext →