Find the product.

A. - x2 + 13x + 13
B. - x2 + 40x + 72
C. x2 - x + 72
D. - x2 - x + 72

Answer: D

Mathematics

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Simplify the factorial expression.

A.
B. (n - 2)!
C.
D. n - 2

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First, indicate what number to use as the trial divisor. Then use the trial divisor to find the first digit in the quotient and write it in the correct position. Do not finish the division.

What will be an ideal response?

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Use a graphing utility to graph the polar equation.r = 2 sin 

A.

B.

C.

D.

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