1.

If f(x) is an invertible function defined as f(x) = (3x-4)/5. write f(x) inverse.

Answer»

Given f(x) = (3x - 4)/5 

Let y = (3x - 4)/5 

⇒ 3x - 4 = 5y 

⇒ x = (5y + 4)/3 

⇒ f-1(x) = (5x + 4)/3



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