Evaluate the improper integral.

A.
B.
C. 1
D. 6


Answer: B

Mathematics

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The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. s (m)What is the body's velocity when t = 8 sec?

A. -4 m/sec B. 0 m/sec C. 4 m/sec D. 3 m/sec

Mathematics

Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Iz about the z-axis, where r(t) = (5 cos t)i + (5 sin t)j, 0 ? t ? 

A. Iz = 20
B. Iz = 0
C. Iz = 500
D. Iz = 500

Mathematics

Factor, if possible.d3 + 216

A. (d + 6)(d2 - 6d - 36) B. (d + 6)(d2 - 6d + 36) C. (d + 6)(d2 + 6d + 36) D. (d + 6)(d2 + 36)

Mathematics

Find the domain and range.{(7, -7), (-4, 9), (1, 6), (-9, 8), (-6, -5)}

A. domain = {-6, -5, 6, -7, -4}; range = {-9, 9, 8, 1, 7} B. domain = {9, 7, 6, 1, -7}; range = {-9, 8, -6, -5, -4} C. domain = {-5, -7, 9, 8, 6}; range = {-6, 7, -4, -9, 1} D. domain = {7, -4, 1, -9, -6}; range = {9, 6, 8, -5, -7}

Mathematics