Check here:
http://www.wolframalpha.com/input/?i=1%2F2+(+x%5E2-2x%2B15)
Use what you know about quadratics to figure out what it shows. You can play around with other functions and see how things work...
Sketch the graph of the following polynomial. (Label all x intercepts, y intercepts, maxima, minima, and identify the range and domain.)
f(x)= 1/2( x^2-2x+15)
1 answer