Class 9 Homework-

Given a function lf as f(x) = 5x + 4, x ∈ R. If g : R → R is inverse of function ‘f then
(a) g(x) = 4x + 5
(b) g(x) = 54ЁЭСе−5
(c) g(x) = ЁЭСе−45
(d) g(x) = 5x – 4




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