Given the function [math]f(x) = –2x^2 + 16x – 30[/math], identify the key features of the graph: the extremum, vertex, and [math]y[/math]-intercept. Then sketch the graph.

[list=1] [*]Determine the extremum of the graph. [*]Determine the vertex of the graph. [*]Determine the [math]y[/math]-intercept of the graph. [*]Graph the function. [/list] This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on their resources.