Simplify. (Assume all variables are nonzero.)
A. 1
B. (5x - 11)40
C. (5x - 11)6
D. (5x - 11)14
Answer: C
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Sketch a typical level surface for the function.f(x, y, z) = x - y2 - z2
A. 
B. 
C. 
D. 
Determine convergence or divergence of the series.
A. Converges B. Diverges
Build the fraction to an equivalent fraction with the denominator specified. State the numerator.
= 
A. 60 B. 20 C. 30 D. 10
Solve the problem.Let T be the amount of time (in seconds) it takes a baseball to fall to the ground when the ball is dropped from h feet above the ground. A good model is 
Simplify the right-hand side of the equation and determine how long it would take for a baseball to reach the ground if it were dropped from the top of a building that is 930 feet tall. Round to the nearest tenth when necessary.
A. T = 
; 232.5
B. T = 
; 7.6
C. T = 
; 15.2
D. T = 
; 1.9