Express the integrand as a sum of partial fractions and evaluate the integral.dx

A. ln  -  tan-1  -  + C
B. ln  -  tan-1  + C
C. -  tan-1  -  + C
D. ln  -  + C

Answer: A

Mathematics

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Find an equation for the line that passes through the given point and satisfies the given conditions.P = (-8, -8); perpendicular to v = -3i + 6j

A. 6x + 3y = -72
B. -3x + 6y = 45
C. y + 8 = (x + 3)
D. -3x + 6y = -24

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Mathematics

Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.7 - 5

A. 18
B. 2
C. -18
D. cannot simplify

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Mathematics

Perform the indicated operations. Express the answer as a single polynomial in standard form.-9x3(-2x7 - 9)

A. 99x3 B. 18x10 + 81x3 C. 18x10 - 9 D. 18x7 + 81

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Mathematics

Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is   .

A. f-1(x) = x + 32
B. f-1(x) = x + 32
C. f-1(x) = (x + 32)
D. f-1(x) = (x - 32)

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Mathematics