State the following function is one-one or not and why?
`f:RtoR` defined by `f(x)=-absx`

State which of the following function are onto and why? f:RtoR defined by f(x)=2x+3

Find whether the following functions are one-one or not. f:RtoR , defined by f(x)=x^(3),x inR

State which of the following functions are one-one and why? f:R^(+)toR^(+) defined by f(x) =1+x^(2)

Find whether the following functions are one-one or not. f:R-{3}toR , defined by f(x)=(5x+7)/(x-3),x inR-{3}

Find whether the following functions are one-one or not. f:ZtoZ , defined by f(x)=x^(2)+5 for all x inZ

Find whether the following is onto function (surjection) or not. f:RtoR defined by f(x)=x^(3)+5 for all x inR

Find whether the following are into functions (surjections) or not. f:RtoR defined by f(x)=x^(2)+3 for all x inR

The function f:RtoR defined by f(x)=e^(x) is

Find whether the following function are one-one or many -one & into or onto if f:DtoR where D is its domain f(x)=x cos x

The function f:RtoR given by f(x)=|x|