149k views
5 votes
The equation and graph of a polynomial are shown below. The graph reaches its maximum when the value of x is 3. What is the y-value of this maximum? y=-x+6x-8

The equation and graph of a polynomial are shown below. The graph reaches its maximum-example-1

1 Answer

6 votes

The maximum value of y is


Y=x^2+6x-8
y=(3)^2+6(3)-8
\begin{gathered} y=\text{ 9+18-8} \\ y=19 \end{gathered}

So, the maximum value of y when x=3 is 19

User Kevin Spaghetti
by
3.4k points