Solve the problem.If an object is propelled upward from a height of 48 feet at an initial velocity of 32 feet per second, then its height h after t seconds is given by the equation 
After how many seconds does the object hit the ground?
A. 2.0
B. 3
C. 11
D. 1.5
Answer: B
Mathematics
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Provide an appropriate response.Solve, checking for extraneous roots: 
+ 
= 
A. no solution
B. all real numbers
C. x = -
D. x = -3
Mathematics
5xy + 20x + 7y + 28
A. (5x + y)(7y + 4) B. (5x + 4)(y + 7) C. (5x + 7y)(y + 4) D. (5x + 7)(y + 4)
Mathematics
Evaluate.2log9 
A. 9 B. 1 C. 2 D. 18
Mathematics
Provide an appropriate response.{(-3, 6), (3, -7), (6, 2), (8, 8), (11, -4)}
A. Domain: {3, 6, 8, 11}; range: {6, -7, 2, 8, -4} B. Domain: {-3, 3, 6, 8, 11}; range: {6, -7, 2, 8, -4} C. Domain: {6, 7, 2, 8, 4}; range: {-3, 3, 6, 8, 11} D. Domain: {6, -7, 2, 8, -4}; range: {-3, 3, 6, 8, 11}
Mathematics