At a time t seconds after an object is tossed vertically upward, it reaches a height s in feet given by the equation:
?
?
In how many seconds does the object reach its maximum height?
?
A. 4 sec
B. 32 sec
C. 2 sec
D. 64 sec
E. 1 sec
Answer: C
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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