Determine the period of the function and sketch its graph.y = cos 
A. period: 8
B. period: 8
C. period: 8?
D. period: 4
Answer: B
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Solve the initial value problem.v'(t) + 
= 6, v(-1) = 0
A. v = -12(et/2 + 1/2 + 12) B. v = -12e-t/2 - 1/2 + e1/2 C. v = -12(e-t/2 - 1/2 - 1) D. v = 3e-t/2 - 1/2 + 3
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 0
B. 1
C. 
D. Diverges
Solve.The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is src="https://sciemce.com/media/4/ppg__10702191931__f1q84g5.jpg" alt="" style="vertical-align: -4.0px;" /> around the trunk?
A. 63 cubic feet
B. 54 cubic feet
C. 58 cubic feet
D. 46 cubic feet
when the height is 
and the distance around the trunk is 
what is the volume of wood obtained from a tree that is 
tall having a measurement of
Evaluate the expression.(-2)3 - (-2)2
A. 4 B. -12 C. -4 D. 12