Decide whether the relation is a function.?
A. Function
B. Not a function
Answer: B
Mathematics
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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?
Mathematics
Collect like terms.8a - 5a + 3
A. -3a + 3 B. 3a + 3 C. 13a + 3 D. 6a
Mathematics
Write the decimal as a percent.0.5692
A. 56.92% B. 5.692% C. 5692% D. 0.5692%
Mathematics
Provide an appropriate response.Evaluate: 
Fill in the blank(s) with the appropriate word(s).
Mathematics