Find the given Sn for the arithmetic series.212 + 184 + 156 + 128 + . . . . Find S15.
A. 480
B. 30
C. 240
D. -1350
Answer: C
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Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?"38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college. What is wrong with her survey?
A. Confounding variables B. Setting may not encourage honest responses C. Wording of question D. Selection bias E. Participation bias
Sketch the graph of the function on semilog paper.y = 2x4 + 8x
What will be an ideal response?
Provide an appropriate response.A manufacturer of widgets has determined that the production function for a weekly production of p thousand gross of widgets is p = 1000 + 20l2k3 - 5l3 - 3k4, where l is the number of labor hours per week in thousands and k is the amount of capital in thousands of dollars per week. Determine both of the marginal productivity functions.
What will be an ideal response?
Graph the function with a graphing utility.y = -x2 + 2x - 5
A. 
B. 
C. 
D. 