1.
Height h = 240 feet
We insert it into formula.

Now we solve this for t:

We have two answers as the rocket will pass this height on it's way up and down.
2.
Height h = 0 feet
We insert it into formula.

Now we solve this for t:

We do not consider solution -1 as the time can not be negative. Our solution is 5s.
3.
Height at bottom of hill h = 0 feet
We insert it into formula.
Okay, this is how you deal with them.
Answer:
16x
Step-by-step explanation:
Answer:
g(f(x)) means that the x of the g function is the f(x) function, if that makes sense.
so you do 8(x-10)-5
8x-80-5
8x-85
hope that answers your question
Don't hesitate to comment if you don't understand something.
Step-by-step explanation: