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OpenStudy (anonymous):
If f(x) = 2x − 4 and g(x) = x2 − 4x, find f(-5).
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jimthompson5910 (jim_thompson5910):
f(x) = 2x − 4 f(-5) = 2(-5) − 4 ... replace every copy of x with -5, then evaluate f(-5) = ???
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