🎓 CLEP Exam Prep

Solve the exponential equation: 4^(x-1) = 8^(2x+3)

A x = -11/4
B x = -7/2
C x = 4/11
D x = 2/7

✓ Correct Answer: Option A

Rewrite bases as powers of 2: (2²)^(x-1) = (2³)^(2x+3). This simplifies to 2^(2x-2) = 2^(6x+9). Equate exponents: 2x-2 = 6x+9. Solving for x yields -11 = 4x, so x = -11/4.

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