Find the quotient and the remainder.9x3 + 63x2 - 66x + 48 divided by x + 8

A. 9x2 + 9x + 6; remainder 0
B. x2 + 10x + 11; remainder 0
C. x2 + 9x + 9; remainder 0
D. 9x2 - 9x + 6; remainder 0


Answer: D

Mathematics

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Find the integral.

A. (-9x2 + x)e-9x+1 + C
B. 3e-9x + 1 + C
C. - e-9x + 1 + C
D. 3e-9x2 + x + C

Mathematics

Solve the problem.Find an expression that represents the area of the figure.(Leave ? in the answer.)

A. 49?t16 B. 49?t8 C. 14?t8 D. 49?t4

Mathematics

Solve the problem.Amy can clean the house in 6 hours. When she works together with Tom, the job takes 4 hours. How long would it take Tom, working by himself, to clean the house?

A. 12hr
B. 2 hr
C. 13hr
D. 12 hr

Mathematics

Use a graphing calculator to determine which expression completes the identity.The expression   ? csc x is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?

A. csc x - tan x B. cos x - 1 C. sec x + cos x D. tan2x

Mathematics