Question

Calculate the height of the rocket 3 seconds after it was launched.
h=-5t^2+23t+10

Answer 1

34 meters

Explanation:

h

=

−

5

t

2

+

23

t

+

10

At

t

=

3

, height of the rocket will be

−

5

⋅

3

2

+

23

⋅

3

+

10

=

−

45

+

69

+

10

=

34

meters.