Solve: log2(3x + 8) = 5Which is an equivalent equation?
Answer
A
25 = 3x + 8
B
52 = 3x + 8
C
25 = [log2(3x + 8)]2
D
52 = [log2(3x + 8)]5
Explanation
Use the definition of a logarithm: if log₂(y) = 5, then 2⁵ = y. Here y is 3x + 8, so the equivalent equation is 2⁵ = 3x + 8. Choice A states this equation.
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