Let f : R → R : f(x) = x 2 + 1. Find f 1 {10}.

Given:f : R → R : f(x) = x2 + 1To find inverse of f(x)Let y = f(x)y = x2 + 1y-1 = x = f–1 (x) = Substituting x = 10,f–1 (10) = = = 3

Q6 of 73 Page 126

Let f : R → R : f(x) = x² + 1. Find f^–1 {10}.

Given:

f : R → R : f(x) = x² + 1

To find inverse of f(x)

Let y = f(x)

y = x² + 1

y-1 =

x =

f^–1 (x) =

Substituting x = 10,

f^–1 (10) = = = 3

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