Answer:
It's A because for every input it has to have only one output meaning x can not have the same y
The second one is D,
the third one is C
and the 4th one i don't know sorry
Hope this helps :D
Answer:
I need more info!
Step-by-step explanation:
Answer:
2x+3
Step-by-step explanation:
divide 6x + 9 by 3 using long polynomial division
Answer:
recommended value of iron is 
Step-by-step explanation:
In 3/4 cup of oatmeal, that is 1/10 of the recommended daily value of iron
The ratio of cup of oatmeal to the value of iron is

Let x be the recommended value of iron for 1 cup of oatmeal
Make a proportion


cross multiply



recommended value of iron is 2/15