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OpenStudy (anonymous):
f(-7) if f(x) = 2x + 8.
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OpenStudy (igreen):
Just plug in -7 for x: f(-7) = 2(-7) + 8 f(-7) = -14 + 8 f(-7) = -6
OpenStudy (anonymous):
-6. can someone second?
OpenStudy (igreen):
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