Find the exact value of the expression.cos 

A.
B.
C.
D.

Answer: D

Mathematics

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Find the integral.

A. (2x3/3) - 7x2/2 + 24x - 94 ln  + C
B. (2x3/3) - 7x2/2 + 24x - 7 ln  + C
C. (2x3/3) - 7x2/2 + 24x - 94 ln |x + 4| + C
D. (2x3/3) + 9x2/2 + 8x - 7 ln |x + 4| + C

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Mathematics

Write the equation for the plane.The plane through the points P(-1, -6, 39) , Q(2, -5, 49) and 

A. 6x - 8y - z = 3 B. 6x - 8y - z = -3 C. 6x + 8y +z = -3 D. 6x + 8y + z = 3

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Mathematics

Solve the problem.Use the graph of f(t) = sin t given below to evaluate  graphically. 

A. 0 B. 1 C. -0.5 D. 0.5

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Mathematics

Decide what values of the variable cannot possibly be solutions for the equation. +  = 0

A. -1, 2 B. -2, 7 C. -2, 0, 1 D. -7, 2

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Mathematics