Given functions f and g, perform the indicated operations.f(x) = 9x - 3,g(x) = 3x + 4Find fg.
A. 27x2 + 27x - 12
B. 12x2 + 27x + 1
C. 27x2 - 12
D. 27x2 - 5x - 12
Answer: A
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Rationalize the denominator: 
A. 4 - 4
B. -4 + 2
C. 2 + 
D. 4 - 2
Mathematics
Find an explicit description of the null space of matrix A by listing vectors that span the null space.A = 
A. 
, 
, 
, 
B. 
, 
C. 
, 
, 
D. 
, 
, 
Mathematics
Find the 3rd term in the binomial expansion.
?
What will be an ideal response?
Mathematics