Convert the polar equation to a rectangular equation.r cos ? = 9
A. y2 = 9
B. x2 + y2 = 9
C. x = 9
D. y = 9
Answer: C
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 
A. 
; 
B. 
; 
C. - 
; - 
D. - 
; - 
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Solve the problem.Find the point on the curve of intersection of the paraboloid 
and the plane 
that is farthest from the origin.
A. (2, -2, 2) B. (-2, 2, 2) C. (2, -2, -2) D. (-2, -2, 2)
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Provide an appropriate response.If a ? b, is it always true that a + 6 ? b + 6? Explain.
What will be an ideal response?
Mathematics