Solve the problem.A rectangular board is 14 ft by 16 ft. How far from the center of the board should the foci be located in order to cut the largest elliptical tabletop from the board?
A. 3.9 ft
B. 7.0 ft
C. 1.0 ft
D. 4.1 ft
Answer: A
Mathematics
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Find the gradient ?f.f(x, y) = x8y sin y
A. (x8y cos y + x8 sin y)i + (8x7y sin y)j B. (8x7y cos y)i + (x8y sin y + x8 cos y)j C. (8x7y sin y)i + (x8 cos y + x8y sin y)j D. (8x7y sin y)i + (x8y cos y + x8 sin y)j
Mathematics
Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A. No absolute extrema. B. Absolute minimum and absolute maximum. C. Absolute minimum only. D. Absolute maximum only.
Mathematics
Express the number in decimal form (without exponents).1.968 × 10-5
A. 0.0001968 B. 0.000001968 C. -196,800 D. 0.00001968
Mathematics