Solve the problem.The volume V (in cubic inches) of a cylindrical pipe with length 12 inches is given by V(r) = 12?r2, where r is the radius of the piston (in inches). If the radius is increasing with time t (in minutes) according to the formula r(t) = 
t2, t ? 0, find the volume V of the pipe as a function of the time t.
What will be an ideal response?
V(t) = 
?t4
Mathematics
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Sketch the region which is defined by the given conditions.0 ? ? ? 
, 0 ? r ? 4
A. 
B. 
C. 
D. 
Mathematics
Find the requested value.f(0) for f(x) = 
A. -9 B. 6 C. -6 D. 9
Mathematics
Write the decimal in words.-815.087
A. negative eight hundred fifteen and eighty-seven thousandths B. negative eight hundred fifteen and eighty-seven ten-thousandths C. negative eight hundred and fifteen and eighty-seven hundredths D. negative eight hundred and fifteen and eighty-seven thousandths
Mathematics
Evaluate the determinant.
A. -336 B. 336 C. -342 D. 330
Mathematics