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OpenStudy (anonymous):
Find f(10) when f(x) = -2x + 9
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OpenStudy (anonymous):
Directrix (directrix):
-2(10) + 9 = -20 + 9 = = - 11
hero (hero):
f(x) = -2x + 9 f(10) = -2(10) + 9 f(10) = -20 + 9 f(10) = -11
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