Question

The amount of a medicine, in milliliters, that a veterinarian prescribes is proportional to the weight, in kilograms, of a dog as shown on the graph.

8,14

What is the unit rate in milliliters per kilogram? Enter your answer as a decimal in the box.



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Answer 1

its 1.75 i just took the test

Answer 2

1.75

Explanation:

The question is incomplete. I add the missing graph in this answer.

We can see that the graph of the function that relates the amount of medicine in milliliters and the weight in kilograms is a line.

In order to find the unit rate in milliliters per kilogram we can divide the two coordinates from any of the points in the graph (except the coordinates of the point
`(0,0)`).

We know by looking the graph that the point
`(8,14)` belongs to the graph.

The point
`(8,14)` is actually
`(8kg,14mL)`

So if we divide the coordinate ''y'' by the coordinate ''x'' we will obtain the unit rate in milliliters per kilogram :

`(14mL)/(8kg)=1.75(mL)/(kg)`

We can obtain the unit rate like this because the graph is a straight line.

We conclude that the unit rate in milliliters per kilogram is 1.75