Set 2: Function Notation (Beginner)

**Choice C is the best answer.** f(7) = 2(7) + 8 = 14 + 8 = 22

Explanation

Answer: C

PROBLEM

If f(x) = 2x + 8, find f(7).

✓ Correct

Detailed Explanation

Choice C is the best answer. f(7) = 2(7) + 8 = 14 + 8 = 22

Why others are wrong:

A: 24 is incorrect because it does not satisfy the equation.

B: 21 is incorrect because it does not satisfy the equation.

D: 19 is incorrect because it does not satisfy the equation.