A problem involving a ball being thrown in the air is modeled with a quadratic function. Which of the following would you be solving for if asked to find the time at which the ball will reach its maximum height?

Question

anonymous · Answer

You would be solving for the critical point; which, on a parabola, is called the vertex or inflection point.|dw:1384435922997:dw|

anonymous · Answer

A.
an x-intercept of the graph
B.
the y-intercept of the graph
C.
the x-coordinate of the vertex
D.
the y-coordinate of the vertex

anonymous · Answer

C, because the x-coordinate relates to time.

anonymous · Answer

thanks man