If f(x)=5x-25 and g(x)=1/5 x +5, which expression could be used to verify g(x) is the inverse of f(x)?

A. 1/5(1/5x+5)+5

B. 1/5(5x-25)+5

C. 1/ (1/5x+5)+5

D. 5(1/5x+5)

2 Answers

  • I would say f(g(x))=x but that's not a choice.

    g(f(x))=x is


  • B

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