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.
<span>circle area = </span>πr² ⇒
Answer:
Yes
Step-by-step explanation:
The angles are identical, so they are congruent.
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Answer:
72
Step-by-step explanation:
72 since it has to opposite parall sides
-t-3 and 3-t are not the same since t-3 would result in a negative answer since both -t and -3 are negative. While in t-3 t is positive and -3 is negative. it is wrong if its left as t-3 since -t-3=3-t is false.