Evaluate the line integral of f(x,y) along the curve C.f(x, y) = , C: y = x2, 0 ? x ? 3

A. 9
B. 0
C.
D. 27


Answer: A

Mathematics

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A. 55 B. 45 C. 47 D. 10

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Solve the problem.A rock is thrown vertically upward from the surface of an airless planet. It reaches a height of  meters in t seconds. How high does the rock go? How long does it take the rock to reach its highest point?

A. 4680 m, 40 sec B. 2400 m, 40 sec C. 1200 m, 20 sec D. 2380 m, 20 sec

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A. 1 B. 0 C. 6 D. -1

Mathematics