Use a graphing calculator to find f'(x) when x has the given value.f(x) = x5/x; x = 3

A. -0.5328
B. -0.0944
C. -0.3419
D. 1.1002


Answer: C

Mathematics

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A. 40 J B. 160 J C. 80 J D. 320 J

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Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a  cylindrical log. (Round answers to the nearest tenth.)

A. w = 6.8; d = 7.2 B. w = 6.8; d = 9.2 C. w = 4.8; d = 9.2 D. w = 5.8; d = 8.2

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Evaluate.-11.7 - (-10.5)

A. 1.2 B. 22.2 C. -1.2 D. -22.2

Mathematics

Perform the indicated operations.(5x + 3y)2

A. 5x2 + 9y2 B. 25x2 + 9y2 C. 5x2 + 30xy + 9y2 D. 25x2 + 30xy + 9y2

Mathematics