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OpenStudy (anonymous):
If f(x) = 2x − 4 and g(x) = x2 − 4x, find f(-5).
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OpenStudy (kirbykirby):
Just plug in x=-5 in the equation for f(x)
OpenStudy (kirbykirby):
Wherever you see "x" in the equation for f(x), put in "-5" 2(-5) - 4
OpenStudy (anonymous):
so the answer would be -14?
OpenStudy (kirbykirby):
yup =]
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