Find the derivative.y = 

A. 5 cos (x2)
B. 4 cos (x2)
C. 5 cos (x2) - 5 sin (x2)
D.  cos (x2)

Answer: D

Mathematics

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Write the fraction as a percent rounded to the nearest tenth, if necessary.

A. 187.5%  B. 80% C. 234.4%  D. 18.8% 

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Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so.y = 3x + 3y = -2x - 7

A. (-2, -2) B. (2, 3) C. (-2, -3) D. (-2, 3)

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Find the oblique asymptote, if any, of the rational function.f(x) = 

A. x = y + 10 B. y = x - 2 C. None D. y = x + 10

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Solve the problem.The following data represents the normal monthly precipitation for a certain city. Draw a scatter diagram of the data for one period. Find a sinusoidal function of the form  that fits the data. Draw the sinusoidal function on the scatter diagram. Use a graphing utility to find the sinusoidal function of best fit. Draw the sinusoidal function of best fit on the scatter diagram.

What will be an ideal response?

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Mathematics