The function represents the height y (in feet) of a grasshopper jumping straight

djeljenike

djeljenike

Answered question

2021-09-15

The function represents the height y (in feet) of a grasshopper jumping straight up from the ground f seconds after the start of the jump. After how many seconds is the grasshopper 1 foot oft the ground?
Given: Function y=16t2+8t represents the height (in feet) of grasshopper at t seconds.

Answer & Explanation

joshyoung05M

joshyoung05M

Skilled2021-09-16Added 97 answers

Calculations:
The grasshopper is 1 foot off the ground when y=1.
So, 1=16t2+8t
16t28t+1=0
(4t1)2=0
t=14
Thus, required time is 14 seconds.

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