Set 4: Function Notation (Beginner)

**Choice B is the best answer.** f(8) = 1(8) + 5 = 8 + 5 = 13

Explanation

Answer: B

PROBLEM

If f(x) = 1x + 5, find f(8).

✓ Correct

Detailed Explanation

Choice B is the best answer. f(8) = 1(8) + 5 = 8 + 5 = 13

Why others are wrong:

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

C: 14 is incorrect because it does not satisfy the equation.

D: 12 is incorrect because it does not satisfy the equation.