FunctionHard

Question

If f : R → R, f(x) = ex + e-x, then f is -

Options

A.one-one but not onto   
B.onto but not one-one
C.neither one-one nor onto   
D.both one-one and onto

Solution

-

Create a free account to view solution

View Solution Free
Topic: Function·Practice all Function questions

More Function Questions

Let f(x) = |x - 1|, then...Let y be an implicit function of x defined by x2x - 2xx cot y - 1 = 0. Then y′(1) equals...The domain of the function f(x) = x! is -...Let f(x) = in x & g(x) = . The domain of f(g(x)) is -...If the function. g(x) =is differentiable, then value of k + m is -...