Determine the period of the function.Period of y = 7 cos 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify using order of operations.-5 + 11 + (-3) ? 7
A. 21 B. -21 C. -15 D. 15
Mathematics
Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. State the range of g.
A. 
B. 
C. 
D. 
Mathematics
Factor completely.15xy + 45x - 3y - 9
A. (3y + 3)(5x - 1) B. 3(y - 3)(5x + 1) C. (y + 3)(15x - 3) D. 3(y + 3)(5x - 1)
Mathematics
Find the difference.6.2 less 1.612
A. 5.588 B. 6.000 C. 4.588 D. 4.612
Mathematics