A pole vaulter leaves the ground, and his height (h) in feet aftert seconds is given by h(t) - 16t? + 31t. a) What was the height of the pole vaulter 1 second after leaving the ground? feet b) How many seconds does it take for the pole vaulter to reach his maximum height (to 3 decimal places, if needed)? second(s) c) Use the answer in part (b) to determine the maximum height (to 3 decimal places, if needed)? feet

Elementary Algebra
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Chapter10: Quadratic Equations
Section10.4: Solve Applications Modeled By Quadratic Equations
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A pole vaulter leaves the ground, and his height (h)
in feet after t seconds is given by
h(t)
16t2 + 31t.
-
a) What was the height of the pole vaulter 1 second
after leaving the ground?
feet
b) How many seconds does it take for the pole
vaulter to reach his maximum height (to 3 decimal
places, if needed)?
second (s)
c) Use the answer in part (b) to determine the
maximum height (to 3 decimal places, if needed)?
feet
Transcribed Image Text:A pole vaulter leaves the ground, and his height (h) in feet after t seconds is given by h(t) 16t2 + 31t. - a) What was the height of the pole vaulter 1 second after leaving the ground? feet b) How many seconds does it take for the pole vaulter to reach his maximum height (to 3 decimal places, if needed)? second (s) c) Use the answer in part (b) to determine the maximum height (to 3 decimal places, if needed)? feet
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