Which of the following is an onto function-

Which of the following is a function which is onto? f:R rarr R(x)=x^(2)

Which of the following functions are onto? f:R rarr R defined by f(x)=2x+5

Which of the following functions is not onto ?

State which of the following function are onto and why? f:R^(+)toR defined by f(x)=sqrtx

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

State which of the following function are onto and why? f:RtoR defined y f(x)=x^(3)-1

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

If A={x:-1 le x le 1},f(x)=x^(2) and g(x)=x^(3), which of the following functions are onto? (i) f:A to A

If A={x:-1 le x le 1},f(x)=x^(2) and g(x)=x^(3), which of the following functions are onto? (ii) g: A toA

state which of the following are one-one and onto function f:R rarr R defined by f(x)=2x+1