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OpenStudy (anonymous):
Find f(-7) if f(x) = 2x + 8. -6 2 3 22
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OpenStudy (anonymous):
\(f(x)=2x+8, f((-7)=2\times (-7)+8\)
OpenStudy (aonz):
that means you sub -7 wherever you see a x like satellite73 has done :)
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