Hint: The x-coordinate of the vertex (peak) of any quadratic equation $ax^2 + bx + c = 0$ is $\frac{-b}{2a}$. By inputting this value into your function, you can find the y-coordinate of the vertex (peak)
Hint: The x-coordinate of the vertex (peak) of any quadratic equation $ax^2 + bx + c = 0$ is $\frac{-b}{2a}$. By inputting this value into your function, you can find the y-coordinate of the vertex (peak)