Question

The pilot of a helicopter plans to release a bucket of water on a forest fire. The height y in feet of the water t seconds after its release is modeled by y = -16t2 - 2t + 400. The horizontal distance x in feet between the water and its point of release is modeled by x = 91t. To the nearest foot, at what horizontal distance from the target should the pilot begin releasing the water? ____ ft Use a number only.

Answer 1

@andrearchat

Answer 2

We should use substitution

Answer 3

@andrearchat

Answer 4

wait no im confused on this one

Answer 5

t = -5.06 and t = 4.93...

substitute t = 4.93 sec..

so X = 91t = 91 (4.93) = 448.63 ft ..

is that right ??

Answer 6

Im not sure

Answer 7

Ya it is

Answer 8

-5.06 does not make sense

Answer 9

so its 4.93

Answer 10

i think