Acob is on the roof the school launching a model rocket. The height of the rocket, h(t),in metres, at any time, t, in seconds, i

Question

3 years ago

13

s modelled by the function: h(t)=-5t2+15t+20 What is the starting height of the rocket?

1 answer:

muminat · Answer 1 · 2022-01-31T03:44:41+03:00

muminat3 years ago

5 0

Step-by-step explanation:

h(t)=-5t2+15t+20. intially the rocket was at rest therefore you should take time a zero

h(t)=-5t2+15t+20. t=0

h(t)=-5(0)2+15(0)20

h(t)=-20 m

>> the rocket is at 20m intially( at rest)