kaylaleanne922 kaylaleanne922
  • 13-11-2017
  • Mathematics
contestada

if f(x)=3x-15, then f^-1(x)

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pink3343
pink3343 pink3343
  • 13-11-2017
solve for y in x=3y-15, so you get x+15=3y -> y=(1/3)x+5 
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