Set 2: Linear Functions (Intermediate)

**Choice B is the best answer.** x + 10 = 25, x = 15

Explanation

Answer: B

PROBLEM

If f(x) = x + 10, for what value of x is f(x) = 25?

✓ Correct

Detailed Explanation

Choice B is the best answer. x + 10 = 25, x = 15

Why others are wrong:

A: 35 is incorrect because it does not satisfy the equation.

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

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