Simplify. Write the answer using only positive exponents. Leave the answer in exponential notation.(-3x3y)3
A. -3x9y3
B. -27x9y
C. -27x6y3
D. -27x9y3
Answer: D
Mathematics
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Find the derivative.s = t7cos t - 5t sin t - 5cos t
A. t7 sin t - 7t6 cos t + 5t cos t B. - 7t6 sin t - 5 cos t + 5 sin t C. - t7 sin t + 7t6 cos t - 5t cos t - 10 sin t D. - t7 sin t + 7t6 cos t - 5t cos t
Mathematics
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. g6 - g B. g5 C. 6 D. g7
Mathematics
Find any numbers for which the rational expression is undefined.
A. x = -7 B. x = 0 C. none D. x = 7
Mathematics
Solve.Find f-1(5) and (f-1 ? f)(4) for the function f = {(1, 7), (4, 3), (2, 5)}.
A. 
B. {2, 4}
C. {5, 3}
D. {2, 3}
Mathematics