Which of the following is a function which is onto? `f: R -> 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 function is one-one and onto both? f:R rarr R,f(x)=e^(x)

Which of the following is an onto function? f(x)=x^(6)+x^(4)+x^(2)+1,f:R rarr R

Examine whether the following functions are one-one and onto : f : R rarrR,f(x)=x^2 for all x in R

Let f : R to R be any function and g(x) =(1) /( f (x) ) then which of the following is / are not true ? (a) g is onto of f is onto (b) g is one - one if f is onto (c) g is continuous if is continuous (d) g is differentiable if f is differentiable

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

Determine whether the following function f R rarr R are onto : f(x)=x^3 .

Determine whether the following function f R rarr R are onto : f(x)=x+1 .

Determine whether the following function f R rarr R are onto : f(x)=|x|+x .

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