Answer:

Step-by-step explanation:

The answer is D. (3,-39)
Just plug the numbers into the formula to find the Parabola.
<span>f(x) = ax</span>

<span><span>+ bx + c
</span>
Then find X:
</span><span>
x = - </span>

<span>
Then solve.</span><span>
Hope this helped. Have a great day!</span>
Answer:
Width=4, and Length=17
Step-by-step explanation:
first you will make a variable for the width which i will say is x
now make it an equation (3x+5) (x) = 68
then solve 3x^2+5x=68
then 3x^2+5x-68=0
then x=4
then you have to substitute so 3(4)+5= 17 and 4