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OpenStudy (anonymous):
Suppose f(x)=(20+x/2). Which of the following is the inverse function of f(x)? f^-1(x)=2x+20 f^-1(x)= (20x/2) f^-1(x)= 20x-2 f^-1(x)=(2x/20) f^-1(x)=2x-20
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OpenStudy (anonymous):
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