Answer:
Not a function
Step-by-step explanation:
we see on this graph,
(1,2) and (1,7)
we have two of the same x points, when put on a graph, that would be having 2 of the same inputs.
which always means it's not a function.
Answer:
D. Because you first put like term and then you do other stuff and that is why calculators are great, good luck!
Answer:
2.5 hours
Step-by-step explanation:
it takes him 2.5 hours