Solve the problem.If an object is propelled upward from ground level with an initial velocity of 31 feet per second, its height h in feet t seconds later is given by the equation 
After how many seconds does the object hit the ground?
A. 1.9 sec
B. 1.0 sec
C. 0.5 sec
D. 3.9 sec
Answer: A
You might also like to view...
Many companies have discovered that outsourcing lowers costs and
A. improves morale. B. improves quality. C. increases customer responsiveness. D. decreases turnover.
Multiply.(x2 - x - 8)(x - 1)
A. x3 - 2x2 - 9x - 8 B. x3 - 7x + 8 C. x3 - 2x2 - 7x + 8 D. x3 - 2x2 - 8x + 8
Solve the problem.The average value of a certain type of automobile was $14,700 in 1992 and depreciated to $4140 in 1997. Let y be the average value of the automobile in the year x, where x = 0 represents 1992. Write a linear equation that models the value of the automobile in terms of the year x.
A. y = -2112x + 4140
B. y = -2112x - 6420
C. y = -2112x + 14,700
D. y = - 
x - 4140
Factor.15x2 - 22xy + 8y2
A. (3x + 2y)(5x + 4y) B. (3x + 2y)(5x - 4y) C. (3x - 2y)(5x - 4y) D. (15x + 2y)(x + 4y)