Answer:
Yes.
Step-by-step explanation:
Yes because each value of x maps to a single value of y.
THere is a many-to-one relation with (1, 12) and (5, 12) but that is OK for a function. What would not be OK is if we had a one-to-many relation like (1, 12) and (1, 14) included in the ordered pairs - that is not a function.
Answer:
the answer I got is a=-the sign and but 2b under it +7
Answer:
I think it may be the first one or the 3rd one! GOOD LUCK
12+6+15=12+6+15 is the correct answer
Just subtract 4 each time.