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# If The Function

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## Question

### Solution

Correct option is

x is + ive by definition.

Since x is + ive, we choose only + out of.

#### SIMILAR QUESTIONS

Q1

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

Q2

Q3

Set A has 3 elements and set B has 4 elements. The number of injections that can be defined from to is

Q4

The number of surjections from A = {1, 2,...n},onto = {a, b} is

Q5

Let E = {1, 2, 3, 4} and F {1, 2}. Then the number of onto function fromE to F is

Q6

Let and be two finite sets having m and n elements respectively. Then the total number of mappings from A and B is

Q7

The total number of injective mappings from a set with m elements of distinct functions from A to A is

Q8

Let A be a set containing 10 distinct elements, then the total number of distinct functions from A to A is

Q9

If (x) = sin x = +cos x, g (x) = x– 1, then g ((x)) is invertible in domain