Solve the problem.If a rock is thrown vertically upward from the top of a building 112 feet high with an initial velocity of 96 feet per second, the height, h, above ground level after t seconds is given by h = -16t2 + 96t + 112, where h is in feet and t is in seconds. How many seconds will it take the rock to reach its maximum height?
A. 6 sec
B. 3 sec
C. 7 sec
D. 2 sec
Answer: B
Mathematics
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Use the graph to estimate the specified limit.Find 
f(x) and 
f(x)
A. 1; 1 B. -3; 3 C. does not exist; does not exist D. 3; -3
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Solve the differential equation.3y" - 5y' + 5y = 0
A. y = C1e(5/6)x + C2e
/6x
B. y = e(5/6)x 
C. y = e
/6x 
D. y = e(-5/6)x 
Mathematics
Consider the polar equation  FIGURE 1.png)
(a) Find the eccentricity and an equation of the directrix of the conic. (b) Identify the conic. (c) Sketch the curve.
Mathematics
Convert the following.232 ounces to pounds and ounces
A. 16 lb and 8 oz B. 15 lb and 8 oz C. 14 lb and 8 oz D. 14 lb and 9 oz
Mathematics