2 years ago

PLEASE HELP WILL MARK BRAINIEST AND NO LINKS!!!!

Mathematics

1 answer:

Mashutka [201]2 years ago

6 0

Answer:

a. 5 seconds

b. 1 second

Step-by-step explanation:

Plug the values into the equation and solve for t.

$f(t)=-16t^2+400\\f(t)=-16t^2+16$

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