Evaluate the logarithm.log1/91
A. -1
B. 0
C. 1
D. 2
Answer: B
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Solve the problem.A cylindrical water tank has height 10 m and radius 2 m (see figure). If the tank is full of water, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of ?. 
A. 19,600,000? J B. 627,200? J C. 1,960,000? J D. 490,000 J
Solve the problem.The second angle of a triangle is 3 times as large as the first. The third angle is 70° more than the first. Find the measure of the smallest angle.
A. 110° B. 70° C. 22° D. 20°
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = 11(x - 2)2 + 8
A. (-2, 8) B. (8, -2) C. (2, 8) D. (11, 2)
Model the curve with a cosine function.
?
?
Note that the period of the curve is 
and its range is 
.
?
A. 
B. 
C. 
D. 
E. 