Set 3: Linear Functions (Beginner)

**Choice D is the best answer.** f(-10) = -10 + 15 = 5

Explanation

Answer: D

PROBLEM

If f(x) = x + 15, find f(-10).

-25

-5

✓ Correct

Detailed Explanation

Choice D is the best answer. f(-10) = -10 + 15 = 5

Why others are wrong:

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

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

C: -5 is incorrect because it does not satisfy the equation.

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