Diketahui f(x)=2x dan g(x)=3-5x maka nilai (gof)-¹(x) adalah​

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Diketahui f(x)=2x dan g(x)=3-5x maka nilai (gof)-¹(x) adalah​

(gof)(x) = g(f(x) \ = 3 - 5f(x) \ = 3 - 5(2x) \ = 3 - 10x

(gof)(x) = 3 - 10x \ y = 3 - 10x \ 10x = 3 - y \ x = frac{3 - y}{10} \ {(gof)(x)}^{ - 1} = frac{3 - x}{10}