DEPRECATED Graphs of polynomials

We took this down because we now have better material for you to use instead! 

Problem

Below are the graphs and the equations of the polynomial functions f, g, and h.
Match each function with its corresponding equation.
 
start color pink, f, end color pink, left parenthesis, x, right parenthesis
start color green, g, end color green, left parenthesis, x, right parenthesis
start color purple, h, end color purple, left parenthesis, x, right parenthesis
y, equals, start fraction, 1, divided by, 10, end fraction, left parenthesis, x, start superscript, 2, end superscript, minus, 6, x, plus, 9, right parenthesis, left parenthesis, x, start superscript, 2, end superscript, plus, 6, x, plus, 9, right parenthesis
y, equals, minus, start fraction, 1, divided by, 10, end fraction, left parenthesis, x, plus, 3, right parenthesis, left parenthesis, x, start superscript, 2, end superscript, minus, 9, right parenthesis
y, equals, start fraction, 1, divided by, 2, end fraction, x, start superscript, 2, end superscript, minus, start fraction, 9, divided by, 2, end fraction