Question

Need help
Derrick made a goal for 2 points during the basketball game. The path of the ball's height in feet can be modeled by y=-x^2-2x+24 Use a graph of the function to determine the maximum height of the ball.
https://media.education2020.com/evresources/2003-18-02-00-00_files/i0260001.jpg
A.
The maximum height of the ball is 20 feet.
B.
The maximum height of the ball is 30 feet.
C.
The maximum height of the ball is 25 feet.
D.
The maximum height of the ball is 24 feet.

Answer 1

i say it's C but not sure

Answer 2

HI!!

Answer 3

max is what you get at the vertex
first coordinate of the vertex is \[-\frac{b}{2a}=-\frac{-2}{2\times (-1)}=-1\]

Answer 4

you are right, it is C 25

Answer 5

so who knows what \(x\) is supposed to be
i can't be time that is for sure

Answer 6

Thanks for the help