Apply the Product Rule and simplify the expression. Write the result with positive exponents only.x-2 ? x4

A.
B.
C. x2
D. x6

Answer: C

Mathematics

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Evaluate the integral by making a substitution and then using a table of integrals.  

A. 4 sin-1 -   + C
B. 4 sin-1 -   + C
C.   - 2 ln  + C
D. 4 sin-1 + x  + C

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Mathematics

Find the exact solutions to the quadratic equation in the complex numbers.5x2 + 55 = 0

A. ± i
B. ±
C. 27.5
D. ±11i

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Mathematics

Solve the problem.f varies jointly as q2 and h, and f = -54 when q = 3 and h = 2. Find f when q = 2 and h = 5.

A. f = -30 B. f = -15 C. f = -60 D. f = -12

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Mathematics

Solve the formula for the indicated variable with the given information.d = rt for d, with r = 60 miles per hour and t = 4 hours

A. d = 15 miles B. d = 64 miles C. d = 0.7 miles D. d = 240 miles

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Mathematics