Question

The graph shows how the cost of flour depends on the amount purchased.

The graph shows cost in dollars on the vertical axis from 0 to 10 and amount purchased in pounds on the horizontal axis labeled from 0 to 5. A line passing through (0, 0) and (5, 7) is shown.

What is the meaning of the point
(
0
,
0
)
on the graph?

A.
The flour costs
0
0
dollars per pound.

B.
The cost of 0 pounds of flour is $0.

C.
The cost of 5 pounds of flour is $7.

D.
The flour costs 0 dollars per pound.

Answer 1

B

The coordinates are (amount in pounds, cost in dollars). (0,0) means when 0 pounds are bought the cost is $0 (buying nothing costs nothing).