Find the flux of the curl of field F through the shell S.F = -4yi + 5zj + 3xk; S: r(r, ?) = r cos ?i + r sin ?j + (36 - r2)k, 0 ? r ? 6 and 0 ? ? ? 2?
A. 24?
B. 144
C. 144?
D. -144?
Answer: C
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Convert the following.8 yd3 to cubic feet.
A. 512 ft3 B. 216 ft3 C. 72 ft3 D. 24 ft3
Solve the quadratic inequality. Write your answer in interval notation.x2 - 9x + 18 ? 0
A. (-?, 3] B. (-?, 3] ? [6, ?) C. [3, 6] D. [6, ?)
Find the equation of the line described, and express your answer in the specified form.Perpendicular to the line -7x - 8y = 37; passes through the point (-3, 2); standard form
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Solve the problem.Ozone levels inside a building should not exceed 50 parts per billion (ppb). In a scientific study, an air filter was able to remove 37% of the ozone entering a building. Approximate the range of ozone concentrations in outside air that this filter will reduce to an acceptable level.
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