Mathematics, 02.01.2021 14:00 lillymt1023
An arrow is fired from a raised platform. Its height as a function of time is given by
h=-5t? + 10t + 40, where t is the time in seconds and h is the height, in metres.
a) Determine the height of the platform.
b) Find the length of time the arrow is in the air.
c) When will the arrow reach its maximum height? What is the maximum height of
the arrow?
d) When does the arrow have a height of exactly 45m above the ground?
Answers: 3
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An arrow is fired from a raised platform. Its height as a function of time is given by
h=-5t? + 10t...
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