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OpenStudy (anonymous):
f(x)=x^2-4 plz help me
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OpenStudy (anonymous):
help you do what?
OpenStudy (anonymous):
I don't know what to do with it
OpenStudy (anonymous):
all I know is that it is suppose to be a parabola
OpenStudy (anonymous):
it is a parabola. the zeros are at x = 2 and x = -2, the vertex is at (0,-4) it faces up and looks just like this http://www.wolframalpha.com/input/?i=y%3Dx^2-4
OpenStudy (anonymous):
ok, I am so confused
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