-2, because it is farther to the right that-3 on the real number line.
Answer: g(x)=(9x+1)
Step by step explanation:
For the 18 oz you pay $1.69 per oz and for 21 oz you pay $1.64 per oz so 21 oz for 12.81 is technically the better buy but the difference in price per ounce is so small that you should buy the size that suits your needs better.
I found this answer online for the same question so i suppose this is it