Solve the problem.The weekly sales in thousands of items of a product has a seasonal sales record approximated by 
, where x is the time in weeks with x = 1 referring to the first week in the year. During which week(s) will the sales equal 79,130 items?
A. Week 30 and week 47
B. Week 4 and week 47
C. Week 21 and week 30
D. Week 4, week 20, and week 52
Answer: D
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = -1x = 
(solid)
A. 
?
B. 
?
C. 
?
D. 
?
Find the requested probability.
?
if 
?
A. 
B. 
C. ?
D. ?
E. ?
Decide whether or not the points are the vertices of a right triangle.(3, 0), (9, 2), (8, -3)
A. Yes B. No
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 3(x2 + 3)(x - 1)2
A. 1, multiplicity 2, touches x-axis B. 1, multiplicity 2, crosses x-axis C. -3, multiplicity 1, crosses x-axis; 1, multiplicity 2, touches x-axis D. -3, multiplicity 1, touches x-axis; 1, multiplicity 2, crosses x-axis