Solve the problem.Find (g?f)(2) when f(x) = 
and g(x) = 4x2.
A. 
B. 16
C. 682
D. 68
Answer: D
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 7x3, y = 7x, for x ? 0
A. 
?
B. 
?
C. 
?
D. 
?
The bar graph below shows the recorded high temperatures in Little City for the indicated months. 
In which month was the recorded temperature closest to -5°C?
A. January B. December C. March D. February
Solve the system. x - y + 5z = 272x + z = 5 x + 4y + z = -3
A. {(0, -2, 5)} B. {(5, -2, 0)} C. ? D. {(5, 0, -2)}
Solve.The population P, in thousands, of Pine Grove is given by P(t) = 
, where t is the time, in months. Find the interval on which the population was 40 thousand or greater.
A. [0.942, 3.058] B. (-?, ?) C. [3.058, ?) D. [1.177, 3.823]