Answer: y=50x+3.5
Step-by-step explanation:
50 because that is how many mph
3.5 because he already drove that amount


(provided that
)
Then

(just moving around a factor of
)

(multiply by
)
Answer:
x=-y-3
Step-by-step explanation:
hope to get a brainliest thank u
Answer:
Object will reach the max height in 10 seconds.
Max. height is 1817.
It will hit the ground in 20 seconds.
Step-by-step explanation:
In order to find the x value which makes the function take its greatest value, you need to take the derivative of the function and equalize the result to 0.
h'(t)=-12t+120=0
t=10
The object will reach its maximum height in 10 seconds.
h(10) (maximum height) = 6.10.10+120.10+17= 600+1200+17=1817
Considering this is a parabola, time in total is two times more than the time passed until reaching the max. height.
10.2=20