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OpenStudy (anonymous):
If f(x)=2x^2-4x and g(x) = 5 – 2x, evaluate f(x) – g(x) for x = 5. A. 15 B. 5 C. 35 D. 20
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OpenStudy (caozeyuan):
what's f(x)?
OpenStudy (cwrw238):
just subtract g(s) from f(x) then plug in x=5 into the result and work it out
OpenStudy (adamconner):
C. 35
OpenStudy (adamconner):
plug 5 in to f(x) and g(x) and subtract both answers
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