Answer:
h x g
Step-by-step explanation:
In commutative property states that the numbers on which we operate can be moved or swapped from their position without making any difference to the answer
Answer:
2
Step-by-step explanation:
Answer:

Step-by-step explanation:
Paperback Books:
Number of books
Cost of 1 book

Magazines:
Number of magazines
Cost of 1 magazine=


Point B is has a square so it’s a 90° angle.
All it takes for a relation to be a function is for each possible first number of a pair there's only one possible second number.
So if any of the sets has two pairs with the same first number, that one's not a function.
The last one has (3,2) and (3,5) so isn't a function.