For the pair of functions, perform the indicated operation.f(x) = 
, g(x) = 
Find (f ? g)(x).
A. (
)(
)
B. (2x + 5)(25x - 16)
C. (2x + 5)(5x - 4)
D. (5x - 4)(
)
Answer: A
Mathematics
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Solve the problem.The sum of two numbers is 72, and twice their difference is 24. What is the smaller of the two numbers?
A. 24 B. 48 C. 42 D. 30
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Use the change of base formula and the properties of logarithms to rewrite the expression as a single logarithm in the indicated base.log3 x + 6 log9 y, base 3
A. log3(xy3) B. log3(x + y3) C. 2 log3(xy3) D. 2 log3(x + y3)
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Find the LCD for the rational expression.
, 
A. (x + 5)2 B. (x - 5)2 C. (x - 5)(x + 5)2 D. (x + 5)(x - 5)
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