Determine whether the following relation is a function. {(3, 7), (3, 8), (3, 4), (3, 1)} A. It is a function because the ordered pairs all have the same x-value.

B. It is not a function because there are multiple y-values paired with a single x-value.

C. It is a function because none of the ordered pairs have the same y-value.

D. It is not a function because none of the ordered pairs have the same y-value.

Step-by-step explanation:

the answer is 0.071

good luck! : d

answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.