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OpenStudy (anonymous):
f(x)=|2x-8|, find the value of f(1)-f(2)
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OpenStudy (anonymous):
f(1) = I 2(1) - 8I = I 2 - 8I = I -6 I = 6 f(2) I 4 -8I = 4 6 - 4 = 2.
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