Suppose that f is a function that is defined for all numbers. Which one of the following conditions assures that f has an inverse function?

Suppose that f is a function that is defined for all numbers.Which one of the following conditions assures that fhas an inverse function?

Which of the following functions has inverse function?

Which of the following functions has inverse function?

A function f:R to R is defined by f(x)=(x-1)(x-2) . Which one of the following is correct in respect of the function?

Suppose f is a function such that f'(x)=4x^3 and f''(x)=12 x^2 . Which of the following is true ?

Suppose that f is an even function, g is an odd function and both f and g are defined on the entire real line R. Which of the following wherever defined are odd function ?

A function f(x) is defined as even if and only if f(x) = f(-x) for all real values of x. Which one of the following graphs represents an even function f(x) ?

Which of the following functions are one-one? f:R rarr R defined by f(x)=-|x|