The function f(x) = –10(x)(x – 4) represents the approximate height of a projectile launched from the ground into the air with a

Question

2 years ago

13

n initial velocity of 40 meters per second. How long, from launch to landing, does the projectile stay in the air?

2 answers:

ikadub [295] · Answer 1 · 2023-12-22T15:02:30+03:00

8 0

4 seconds is how long, 100% correct just got it right on the quiz.

Galina-37 [17] · Answer 2 · 2023-12-22T13:43:44+03:00

6 0

Hello,

f(x)=0
-10x(x-4)=0
x=0 or x=4

<span>Launch : time 0
Landing,:time 4
Duration=4-0=4 (s)

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