Set 5: Linear Functions (Beginner)

**Choice B is the best answer.** f(25) = 25 - 10 = 15

Explanation

Answer: B

PROBLEM

If f(x) = x - 10, find f(25).

250

✓ Correct

Detailed Explanation

Choice B is the best answer. f(25) = 25 - 10 = 15

Why others are wrong:

A: 250 is incorrect because it does not satisfy the equation.

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

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