Integrate the function.
A. + C
B. ln + C
C. tan-1 5x - + C
D. tan-1 5x +
+ C
Answer: D
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Evaluate the expression for the given replacement values. x = 7, y = 4
A.
B.
C.
D.
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4
A. log4
B. 3log4x - 6log4y
C. 3log4x + 6log4y
D. 6log4y - 3log4x
Write a system of equations for the problem, and then solve the system.Two different gasohol mixtures are available. One contains 5% alcohol and the other 12% alcohol. How much of each should be mixed to obtain 1500 gallons of gasohol containing 10% alcohol?Gallons of GasoholPercent (as decimal)Gallons of Pure Gasoholx0.05?y0.12?1500?0.10?
A. 1071 gal 5%, 1071 gal 12% B. 429 gal 5%, 1071 gal 12% C. 625 gal 5%, 875 gal 12% D. 75 gal 5%, 180 gal 12%
Find the zeros of f(x), given that one zero is k.f(x) = 16x4 - 8x3 + 146x2 - 32x + 328k = 2i
A. ±2i, ±
i
B. ±2i, - ±
i
C. ±2i, - ±
i
D. ±2i, ±
i