Find the inverse function for f(x)=3x+1 and g(x)=x+2 and what is (f+g)(x)?

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justaguide | College Teacher | (Level 2) Distinguished Educator

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The function f(x) = 3x + 1, g(x) = x + 2

The inverse function of f(x) is `f^-1(x) = (x - 1)/3` and `g^-1(x) = x - 2`

(f + g)(x) = 3x + 1 + x + 2 = 4x + 3

  `f^-1(x) = (x - 1)/3` , `g^-1(x) = x - 2` and `(f + g)(x) = 4x + 3`

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