Find the integral. dx

A. 7 ln |1 + 7 sin x| + C
B.  ln |1 + 7 sin x| + C
C. 7 sin x + C
D. ln |1 + 7 sin x + C


Answer: B

Mathematics

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Solve the problem.Plane A was flying at an altitude of 10 km and Plane B was flying at an altitude of 600 dam. Which plane was flying at a greater altitude?

A. Plane A B. Plane B

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Solve the problem.The formula A =  gives the approximate annual interest rate for a consumer loan paid off with monthly payments, where f is the finance charge on the loan, p is the number of payments, and b is the original amount of the loan. Find the approximate annual interest rate for an automobile loan to be repaid in 24 monthly installments if the finance charge on the loan is $721 and the original loan balance is $2080. (Round answer to two decimal places.)

A. 36.17% B. 30.39% C. 34.65% D. 33.28%

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Find the vertex.f(x) = 3x2 + 12x + 13

A. (2, -1) B. (-1, 2) C. (-2, 1) D. (1, -2)

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Solve for x using an equivalent exponential expression.A paperweight is in the shape of a square-based pyramid 10 centimeters tall. If an edge of the base is  find the volume of the pyramid.

A. 2,890 cu cm
B. 722 cu cm
C. 240 ? cu cm
D. 240 cu cm

Mathematics