Solve.Suppose the velocity of an automobile starting from rest is given by v = 
where v is the velocity in miles per hour and t is the time in seconds. Find the number of seconds when the velocity is 50 miles per hour.
A. 3 sec
B. 2 sec
C. 1 sec
D. 4 sec
Answer: B
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Determine the limit by sketching an appropriate graph. 
A. 4 B. -0 C. Does not exist D. -12
Solve the problem.Set up the triple integral for the volume of the sphere 
in rectangular coordinates.
A. 8
B. 
C. 8
D. 
Write the compound statement in words.Let r = "The puppy is trained." p = "The puppy behaves well." q = "His owners are happy."r ? (p ? q)
A. The puppy is trained, the puppy behaves well, and his owners are happy. B. If the puppy is trained, then the puppy behaves well and his owners are happy. C. The puppy is trained and the puppy behaves well if his owners are happy. D. If the puppy is trained and the puppy behaves well, then his owners are happy.
Find any values of the variable that make the expression undefined.
A. 0 B. 9 C. -9 D. None