Answer:
-3
Step-by-step explanation:
means 
What is the
-coordinate value that corresponds to
. That value is -1.
What is the
-coordinate value that corresponds to
. That value is 0.
So this implies
.





That's not a function.
Since a vertical line hits the graph more than once, if fails the test. (See graph below)
If it is a function, any vertical line you draw can only hit the graph once.
it is impossible
Step-by-step explanation:
Answer:
Brand B is better
Step-by-step explanation:
Brand A's unit price is $0.24
Brand B's unit price is $0.21
Width=1cm and length=21cm or width=3cm and length=7cm.