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OpenStudy (anonymous):
If f(x)=9x2+5x−8, then f(−2)=?
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OpenStudy (faby0411):
What part do you not understand?
OpenStudy (faby0411):
Since f(x) = f(-2) x = -2. Just replace the x with -2 in the equation and solve it from there.
OpenStudy (faby0411):
Hope that helps @keltonbrown
OpenStudy (anonymous):
i tried all i get is 324-10-8
OpenStudy (faby0411):
Is the question looking for a final answer or an equation?
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