Evaluate the exponential expression.(-1)5
A. -1
B. 5
C. -5
D. 1
Answer: A
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.x2 + y2 + z2 = 64, z = 2
A. All points within the sphere x2 + y2 + z2 = 64 and above the plane z = 2 B. All points on the sphere x2 + y2 + z2 = 64 and above the plane z = 2 C. The sphere x2 + y2 + z2 = 4 D. The circle x2 + y2 = 60 in the plane z = 2
Find the indicated derivative.Find y " if y = 4x sin x.
A. y " = - 8 cos x + 4x sin x B. y " = 4 cos x - 8x sin x C. y " = - 4x sin x D. y " = 8 cos x - 4x sin x
Find the mass of the wire that lies along the curve r and has density ?.r(t) = (2 cos t)i + (2 sin t)j + 2tk, 0 ? t ? 2?; ? = 5
A. 20?
units
B. 40?
units
C. 4?
units
D. 10? units
Find f-1(x) for the following one-to-one function f.f = {(0, 0), (1, 1), (2, 2), (3, 3)}
A. f-1 = {(0, 0), (-1, 1), (-2, 2), (-3, 3)} B. f-1 = {(0, 0), (1, 1), (2, 2), (3, 3)} C. f-1 = {(0, 0), (1, -1), (2, -2), (3, -3)} D. f-1 = {(0, 0), (-1, -1), (-2, -2), (-3, -3)}