The equation above expresses the height h, in meters, of an object t seconds after it is
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The equation above expresses the height h, in meters, of an object t seconds after it is thrown into the air from the ground with an initial speed of 40 meters per second. After approximately how many seconds will the object reach its highest point?
A) 3
B) 4
C) 5
D) 6
Transcribed Image Text:
h = -4.9t² +40t
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