Solve the problem.The height h in feet of a golf ball after t seconds is given by 
How long did it take for the ball to hit the ground?
A. 7 sec
B. 3.5 sec
C. 56 sec
D. 96 sec
Answer: A
Mathematics
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 3
Mathematics
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. -8 B. -9 C. -18 D. -27
Mathematics
Find the probability of the event.A 6-sided die is rolled. What is the probability of rolling a number less than 6?
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
+ 4 - 
A. 7 - 
B. 7
C. 7 - 2
D. 
+ 4 - 
Mathematics