Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(4x4y4)1/2
A. 2x4y2
B. 2x2y2
C. x2y2
D. 2x2y
Answer: B
Mathematics
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -1, v '(2) = -5.
(uv) at x = 2
A. 47 B. 23 C. -47 D. -43
Mathematics
Estimate the value of the quantity.A piece of tissue paper is picked up in gusty wind. The table shows the velocity of the paper at 2 second intervals. Estimate the distance the paper travelled using 
A. 232 ft B. 212 ft C. 116 ft D. 209 ft
Mathematics
Express as a single logarithm.logb x - logb y
A. logb 
B. log2b 
C. logb 
D. logb x - y
Mathematics
Solve using the addition and multiplication principles together.-[9x + (5x + 7)] = 7 - (3x + 8)
A. - 6
B. - 
C. - 8
D. - 
Mathematics