For the pair of functions, find the indicated composition.f(x) = 
, g(x) = 9x + 8Find (g ? f)(x).
A. x
B. 9x + 64
C. x - 
D. x + 16
Answer: A
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. x + y + z = 0 B. z = 0 C. x + y = 0 D. x - y = 0
Mathematics
Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = 3xy2i + 3x2yj + 2xyk ; D: the region cut from the solid cylinder x2 + y2 ? 9 by the planes z = 0 and 
A. 486?
B. 
?
C. 243?
D. 972?
Mathematics
Use implicit differentiation to find dy/dx.y cos 
= 6x + 6y
A. 
B. 
C. 
D. 
Mathematics
Perform the following operation.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics