Set 3: Linear Functions (Advanced)

**Choice B is the best answer.** Inverse: x = y - 7. For y = 15: x = 8

Explanation

Answer: B

PROBLEM

If h(x) = x + 7, find h inverse of 15.

✓ Correct

-8

Detailed Explanation

Choice B is the best answer. Inverse: x = y - 7. For y = 15: x = 8

Why others are wrong:

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

C: -8 is incorrect because it does not satisfy the equation.

D: 22 is incorrect because it does not satisfy the equation.