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[" If the function "f:R rarr R" be defin...

[" If the function "f:R rarr R" be defined by "f(x)=2x-3" and "g:R rarr R" by "],[g(x)=x^(3)+5," then find "f@g" and show that "f@g" is invertible.Also,find "],[(f@g)^(-1)," hence find "(f@g)^(-1)(9)" ."]

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