Solve.If an object is propelled upward from a height of 80 feet at an initial velocity of 64 feet per second, then its height, h, after t seconds is given by the equation 
, where h is in feet. After how many seconds will the object reach a height of 144 feet? (Round your answer to the nearest tenth, if necessary.)
A. 1 sec
B. 4 sec
C. 8 sec
D. 2 sec
Answer: D
Mathematics
You might also like to view...
Identify the polynomial as a monomial, binomial, trinomial, or none of these.-12x2
A. Trinomial B. Binomial C. None of these D. Monomial
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 1
C. m
D. 6
Mathematics
Find the following. Assume that the letter can represent any real number.
A. 
B. -
C. 
D. x
Mathematics
Find a polynomial with the given zeros. ? 5, 6 ?
A. 
B. ?
C. ?
D. ?
E. none of these
Mathematics