Set 3: Linear Functions (Beginner)

**Choice D is the best answer.** f(-5) = -5 + 5 = 0

Explanation

Answer: D

PROBLEM

If f(x) = x + 5, find f(-5).

-10

✓ Correct

Detailed Explanation

Choice D is the best answer. f(-5) = -5 + 5 = 0

Why others are wrong:

A: 25 is incorrect because it does not satisfy the equation.

B: 10 is incorrect because it does not satisfy the equation.

C: -10 is incorrect because it does not satisfy the equation.