Find the length of the curve r(t)=-3ti+2tj-tk, -2?t?1.
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Mathematics
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Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
Find the volume generated by revolving the region bounded by the given curves about the y-axis. Use the method of disks.x = 
, x = 0, y = - 2, y = 2
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Identify the points in the graph for the ordered pairs. 
(3, 5), (-3, 0)
A. I and G B. D and G C. L and J D. D and J
Mathematics
Decide whether the figure is convex or concave.
A. Concave B. Convex
Mathematics