Use the data shown in the scatter plot to determine whether the data should be modeled by a linear function.
A. Yes, approximately linear
B. No, data points do not lie close to a line
C. Yes, exactly linear
Answer: A
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Provide an appropriate response.If 
converges, what can be said about 
?
A. The series may converge or diverge. B. The series always diverges. C. The series always converges.
For the given expression y', find y'' and sketch the general shape of the graph of y = f(x). y' = 
- 4
A. 
B. 
C. 
D. 
Solve the problem.The revenue received from the sale of electric heaters is seasonal, with maximum revenue in the winter. Let the revenue received from the sale of heaters be approximated by R(x) = 92 cos 2?x + 600, where x is time in years, measured from January 1. Find R'(x) for August 1st.
A. 92?
B. 0
C. 92?
D. 92?
Express the repeated multiplication in exponential notation.18 ? 18 ? 18 ? 18
A. 181 B. 4 ? 18 C. 184 D. 415