﻿ For real x, let f (x) = x3 + 5x +1, then : Kaysons Education

For Real x, Let f (x) = x3 + 5x +1, Then

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Question

Solution

Correct option is

f  is one-one and onto R

which is always + ive and hence (x) is strictly increasing. Thus is one-one.

Also showing that range of f is whole ofR.

is one-one onto.

SIMILAR QUESTIONS

Q1

The graph of the function

Q2

Then for all

Q3

Q4

Is equal to

Q5

Which of the following functions have inverse defined on the ranges:

Q6

be to functions given by

Q8

Given

Q10