Given f(x) and g(x), find the indicated composition and state its domain.f(x) = 4x2 + 2x + 3, g(x) = 2x - 8Find (g ? f)(x).
A. 4x2 + 4x - 2, all real numbers
B. 8x2 + 4x - 2, all real numbers
C. 4x2 + 2x - 5, all real numbers
D. 8x2 + 4x + 14, all real numbers
Answer: B
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A. 
B. 0
C. 
D. 
Factor out the greatest common factor.m3n3 - m2n5
A. m3n5(m - n2) B. m3n3(1 - mn2) C. mn(9 - 10) D. m2n3(m - n2)
Solve the problem.The algebraic expression 
describes the duration of a storm, in hours, whose diameter is d miles. Use a calculator to determine the duration of a storm with a diameter of 7 miles. Round to the nearest hundredth.
A. 0.34 hours B. 18.52 hours C. 0.19 hours D. 1.30 hours
Solve the problem.The value V, in dollars, of a shopkeeper's inventory software program is given by 
where t is the number of years since the shopkeeper first bought the program. Find the value of the software after 
and 
A. $330, $270, and $150 B. $350, $270, and $210 C. $350, $270, and $150 D. $350, $430, and $150