Mark the correct alternative in the following: Which one of the following is not a function?

Question

Philoid · Accepted Answer

A function is said to exist when we get a unique value for any value of x..

Therefore, option B is correct.. is not a function as for each value of x, we will get 2 values of y..which is not as per the definition of a function..

Mark the correct alternative in the following:Which one of the following is not a function?

Mark the correct alternative in the following:
Which one of the following is not a function?