Answer:
Hi san, A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x is related to. For example, consider the following sets X and Y.
This should help you a bit.
False
-3 is not greater than positive 3
The answer to t is t= 21/2
Answer: b
Step-by-step explanation: