Determine the amplitude or period as requested.Period of y = -4 sin x
A. 2?
B. 
C. ?
D. 4
Answer: A
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Provide an appropriate response.Change 
to a decimal.
A. 9 B. 90 C. 0.9 D. 0.09
Pivot the matrix 
about the underlined element 1.
What will be an ideal response?
Solve the problem.A contractor builds two models of homes, the R type and the K type. The R type requires 210 worker-days of labor and $300,000 in capital, while the K type requires 315 worker-days of labor and $200,000 in capital. The contractor has a total of 6300 worker-days and $6,000,000 in capital available per month. Graph the possible combinations of model homes that can be built per month and find the vertices. 
A. 
B. 
C. 
D. 
Evaluate the integral using integration by parts.
A. 15 sin x - x cos x + C B. 15 sin x - 15 cos x + C C. 15 sin x - 15x cos x + C D. 15 sin x + 15x cos x + C