Evaluate the expression using the order of operations.[8 + (-4)]2
A. 144
B. 80
C. 48
D. 16
Answer: D
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Sketch the surface z = f(x,y).f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
Find the requested product.f(x) = x + 4, g(x) = x - 10 Find (f ? g)(x) and (f ? g)(-2).
A. (f ? g)(x) = x2 - 6x - 40; (f ? g)(-2) = -24 B. (f ? g)(x) = x2 + 6x - 40; (f ? g)(-2) = -48 C. (f ? g)(x) = x2 - 6x + 40; (f ? g)(-2) = 56 D. (f ? g)(x) = x2 + 14x + 40; (f ? g)(-2) = 16
Use a graphing calculator to find a viewing window that shows a complete graph of the given polynomial function (that is, a graph that includes all the peaks and valleys and indicates how the curve moves away from the x-axis at the far left and far right.) There are many possible correct answers.f(x) = x3 - 4x2 - x + 4
What will be an ideal response?
Solve the problem.Suppose that the demand function for x units of a certain item is 
where p is the price per unit, in dollars. Find the marginal revenue.
A. 
= 110 + 
B. 
= 110 + 
C. 
= 
D. 
= 