Solve the application problem.If h = -16t2 + 96t represents the height of a firework, in feet, t seconds after is was fired, when will the firework be 144 feet high?
A. 9 sec
B. 3 sec
C. -3 sec
D. 48 sec
Answer: B
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Perform the following operation:
(4.7 ð 103 ð 5.6 ð 102) ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ (4.7 ð 103 + 5.6 ð 102) a. 1 ð 100 b. 5.00 ð 102 c. 2.03 ð 104 d. 3.91 ð 103 e. 7.61 ð 102
Solve.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
style="vertical-align: -4.0px;" /> at 
Round your answer to the nearest pound of force.
A. 27,041 lb
B. 26,339 lb
C. 26,471 lb
D. 26,503 lb
The function 
satisfies the hypotheses of the Mean Value Theorem on the interval [?2, 0]. Find all values of c that satisfy the conclusion of the theorem.
What will be an ideal response?
Find the exact value of the expression using a sum, difference, or double-angle identity.2 sin 
cos 
A. - 
B. 
C. - 
D. 