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if \(\text{ }f:R\to R\) be such that \(\text{ }f(x)=5x+4\)then,\(\text{ }{f}^{-1}(x)=\)

Q1

if \(\text{ }f:R\to R\) be such that \(\text{ }f(x)=5x+4\)then,\(\text{ }{f}^{-1}(x)=\)

a

\(\frac{\left(x-4\right)}{5}\)

b

\(\frac{\left(4-x\right)}{5}\)

c

\(\frac{(x-5)}{4}\)

d

None of these

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