Set 2: Function Notation (Beginner)

**Choice D is the best answer.** f(4) = 1(4) + 6 = 4 + 6 = 10

Explanation

Answer: D

PROBLEM

If f(x) = 1x + 6, find f(4).

✓ Correct

Detailed Explanation

Choice D is the best answer. f(4) = 1(4) + 6 = 4 + 6 = 10

Why others are wrong:

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

B: 7 is incorrect because it does not satisfy the equation.

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