Does the table represent a function? Why or why not?
Х
y
3
1
4
3
5
2
6
5
6
6
A. Yes, because there are different y values.
O
B. No, because one x-value corresponds to two different y values.
O O O
C. Yes, because every x-value corresponds to exactly one y value.
D. No, because the yvalues are positive.

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

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Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?