Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. 3 sec
B. 5 sec
C. 160 sec
D. 2 sec
Answer: B
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Solve the initial value problem.Differential Equation: 
= 
(t + 5)3/2i + etjInitial Condition: r(0) = 0
A. r(t) = [(t + 5)7/2 - 57/2]i + (et - 1)j B. r(t) = (t + 5)5/2i + etj C. r(t) = [(t + 5)5/2 + 55/2]i + (et + 1)j D. r(t) = [(t + 5)5/2 - 55/2]i + (et - 1)j
For the point-slope equation given, state the slope and the point on the graph used in creating the equation.y - 6 = - 
(x + 2)
A. m = 
; (-2, 6)
B. m = - 
; (-3, -4)
C. m = - 
; (-3, 4)
D. m = - 
; (-2, 6)
Solve the problem.In how many distinguishable ways can the letters of the word CREATE be arranged?
A. 120 B. 720 C. 36 D. 360
For problems 5 and 6, use the compound inequality 
. Use interval notation to represent the conjunction.
A. 
B. 
C. 
D. 
E. none of these