Answer:
Don't know but I think its a trick question and the answer is 30
Step-by-step explanation:
A ) y = 2(3) + 7
y = 15
b ) y = 2(-3) + 7
y = 1
Will when you buy things and you don't know how to do math people can rip you off by charging you a high percentage of tax or by giving you less change
Hello from MrBillDoesMath!
Answer: No.
Discussion:
Look at the 1st and 4th members of the relation.
(7,2) (7,3)
Treating these as points, a vertical line passes through both of them ( x = 7 is the line) so there is no unique y value corresponding to x =7. So no functional relationship exists between them.
Regards, MrB