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If g(f(x)) = 6x + 5 where f(x) = 2x + 1, then g(x) equals
A3x + 2
B2x + 3
C6x + 2
D3x + 5
Answer & Solution
Correct answer: A. 3x + 2
With y = 2x + 1 we have 6x + 5 = 3y + 2, so g(y) = 3y + 2.
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