Evaluate the expression.(f ? g)(a) when f(x) = 3x + 10 and g(x) = 3x - 1.
A. 9a + 9
B. 9a + 13
C. 9a + 29
D. 9a + 7
Answer: D
Mathematics
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Find a simplified form of the difference quotient for the function.f(x) = ax3 + bx
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