Use the given graph to find the x-intercepts.
A. -4, -1
B. -4, 1
C. -1, 4
D. 1, 4
Answer: B
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Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
The expression a3 - b3 is called a 
.
A. sum of two cubes B. difference of two squares C. difference of two cubes D. perfect square trinomial
Analyze the graph of the given polar curve. Include the following information: If possible, describe the shape of the graph (circle, rose curve, limacon, etc.), and state the domain, range, and maximum r-value of the graph. State whether the graph is continuous and whether it is bounded. Describe any symmetry that the graph has. Give the equations of any asymptotes or state that the graph has no asymptotes.r = 4
What will be an ideal response?
Sketch the graph and show all extrema, inflection points, and asymptotes where applicable.f(x) = 
A. Rel min: (0, 0)
Inflection points: 
, 
B. Rel min: (0, 0)
No inflection points
C. Rel min: 
No inflection points
D. Rel min: 
No inflection points
Approximate the integral by the trapezoidal rule.The following data give the marginal cost for different levels of production at Zipperty-Doo-Dah Inc. Here x represents the number of zippers produced and C'(x) is in dollars per zipper. Approximate the total in going from a production level of 40 zippers to 80 zippers. 
A. $85.50 B. $136.00 C. $272.00 D. $27.20