Let `f:Rrarr R ` be a function defined by,` f(x)`=`(e^|x|-e^-x)/(e^x+e^-x` then

Let f:R rarr R be a function defined by,f(x)=(e^(|x|)-e^(-x))/(e^(x)+e^(-x)) then

Let f:R rarr R be a function defined by f(x)=(e^(|x|)-e^(-x))/(e^(x)+e^(-x)) then -(1) fis bijection (2) fis an injection only (3) f is a surjection fis neither injection nor a surjection

Let f:R rarr R be a function defined by f(x)=(e^(|)xl-e^(-x))/(e^(x)+e^(-x)) then- ) fis a bijection (2) fis an injection only (3) fis a surjection (4) fis neither injection nor a surjection f(x) elx

Let f:R rarr R be a function defined by f(x)=(e^(|)xl-e^(-x))/(e^(x)+e^(-x)) then- -(1) fis a bijection (2) fis an injection only (3) fis a surjection (4) fis neither injection nor a surjection f(x) elx

The function f defined by f(x)=(x+2)e^(-x) is

Let f:R rarr R" be defined by "f(x)=(e^(|x|)-e^(-x))/(e^(x)+e^(-x)). Then

The fucntion f defined by f(x)=(x+2)e^(-x) is

let f:R rarr R be a continuous function defined by f(x)=(1)/(e^(x)+2e^(-x))