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

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

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

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

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

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

f(x)=(x^(4)+2x^(3)-3x^(2)+4x+12)/(x+3) Which of the following functions is equivalent to the functions above for all values of x for which function above for all values of x for which function f is defined?

The function F:RtoR given by f(x)=-|x-1| is

If the function f:RtoR and g:RtoR are defined by f(x)=2x+3 and g(x)=x^(2)+7 , then find x if (g of )(x) =8.