Let f:N → Y be a function defined as f(x) = 4x + 3 where Y = y N, y = 4x + 3 for some x N. Show that f is invertible and its inverse is

Sets, Relations and Functions: JEE Main 2008 Mathematics question

JEE Main 2008 · Annual, Paper 1 · Q3792

JEE Main 2008Annual, Paper 1MathematicsEasySets, Relations and Functions168× since 2002

Let

f:N \to Y

be a function defined as f(x) = 4x + 3 where Y = { y

\in

N, y = 4x + 3 for some x

\in

N }. Show that f is invertible and its inverse is

JEE Main 2008 · Annual, Paper 1 · Q3792

JEE Main 2008Annual, Paper 1MathematicsEasySets, Relations and Functions168× since 2002

Let

f:N \to Y

be a function defined as f(x) = 4x + 3 where Y = { y

\in

N, y = 4x + 3 for some x

\in

N }. Show that f is invertible and its inverse is