Set 2: Function Notation (Beginner)

**Choice D is the best answer.** f(8) = 1(8) + 4 = 8 + 4 = 12

Explanation

Answer: D

PROBLEM

If f(x) = 1x + 4, find f(8).

✓ Correct

Detailed Explanation

Choice D is the best answer. f(8) = 1(8) + 4 = 8 + 4 = 12

Why others are wrong:

A: 9 is incorrect because it does not satisfy the equation.

B: 15 is incorrect because it does not satisfy the equation.

C: 13 is incorrect because it does not satisfy the equation.