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9

Set 1: Linear Functions (Advanced)

Explanation

Answer: C

PROBLEM

If g(x) = 2x + 4, find g inverse of 10.

If g(x) = 2x + 4, find g inverse of 10.

A.

2

B.

6

C.

3

✓ Correct
D.

24

Detailed Explanation

Choice C is the best answer. y = 2x + 4. x = (y-4)/2. For y = 10: x = 3

Why others are wrong:
A: 2 is incorrect because it does not satisfy the equation.
B: 6 is incorrect because it does not satisfy the equation.
D: 24 is incorrect because it does not satisfy the equation.
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