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OpenStudy (anonymous):
f(x) = −3x^2 + 18x − 18 Find the y-intercept.
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OpenStudy (saifoo.khan):
-18
OpenStudy (anonymous):
oh. wow didn't know it was that easy lol
OpenStudy (anonymous):
true, it is -18 because when you substitude x for 0, the equation equals -18.
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