Match the equation with the surface it defines.f(x, y) = - 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Perform the indicated operation. Simplify the result.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function by first expanding or simplifying the expression. f(x) = (2x - 5)(4x + 1)
A. f'(x) = 16x - 9 B. f'(x) = 16x - 22 C. f'(x) = 8x - 18 D. f'(x) = 16x - 18
Mathematics
Graph the function.y = 3 tan 2
A. 
B. 
C. 
D. 
Mathematics
A rectangle is bounded by the x-axis and the semicircle
(see figure).
Select the area A of the rectangle as a function of x, and determine the domain of the function.
Mathematics