FunctionHard

Question

Which of the following is an into function -

Options

A.f : [0, π] → [-1, 1], f (x) = sin x
B.f : [0, π] → [-1, 1], f(x) = cos x
C.f : R → R, f(x) = ex
D.f : Q → Q, f (x)  = x3

Solution

-

Create a free account to view solution

View Solution Free
Topic: Function·Practice all Function questions

More Function Questions

Let f(x) = x2 and g(x) = sinx for all xε R. Then the set of all x satisfying (f o g o g o f ) (x) = (g o g o f ) (x...f(x) = is -...The domain of function f(x) = log |log x| is-...The period of f(x) = [sin 5x] + |cos 6x| is -...If f : → [−1, 1], f(x) = sin x, then f...