# Question #05734

##### 1 Answer

#### Explanation:

Take a look at the graph of this equation.

graph{-16x^2+8x+4 [-10, 10, -5, 5]}

We can see that the maximum height of the object occurs at the vertex of the parabola. In order to find the time

This is the formula used throughout algebra to find the

In the equation

This tells us that the maximum height of the object is reached at