Set 3: Linear Functions (Advanced)

**Choice C is the best answer.** 4a - 8 = 2a + 6. 2a = 14, a = 7

Explanation

Answer: C

PROBLEM

If f(x) = 4x - 8 and f(a) = 2a + 6, find a.

✓ Correct

Detailed Explanation

Choice C is the best answer. 4a - 8 = 2a + 6. 2a = 14, a = 7

Why others are wrong:

A: 14 is incorrect because it does not satisfy the equation.

B: 4 is incorrect because it does not satisfy the equation.

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