If y = f : A → B, then which of the following is true if f(x) is a f

1.	If y = f : A → B, then which of the following is true if f(x) is a function in x? (i) x must be able to take each and every value of A. (ii) one value of x must be related to one and only one value of y in set B.
Answer» If y = f : A $\to$ B, then which of the following is true if f(x) is a function in x? (i) x must be able to take each and every value of A. (ii) one value of x must be related to one and only one value of y in set B.

If y = f : A → B, then which of the following is true if f(x) is a function in x? (i) x must be able to take each and every value of A. (ii) one value of x must be related to one and only one value of y in set B.

Answer»

If y = f : A $\to$ B, then which of the following is true if f(x) is a function in x?

(i) x must be able to take each and every value of A.

(ii) one value of x must be related to one and only one value of y in set B.