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## Question

### Solution

Correct option is

One-one but not onto

…(1)

For each value of x there is a unique value of y and hence the mapping is one-one. As x varies invaries in which is a subset of. Hence the mapping is not onto.

Alt. From given equation . Now for y = 1, there is no x and hence it is not onto.

#### SIMILAR QUESTIONS

Q1

If f (x) = cos (log x) , then

has the value

Q2

The graph of the function

Q3

Then for all

Q4

Q5

Is equal to

Q6

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

Q7

be to functions given by

Q9

Given

Q10

For real x, let (x) = x3 + 5x +1, then