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Maths Exercices

Find points on a function graph

The graph shows the total cost C, in dollars, that a customer pays for n pounds of coffee from an online coffee merchant. The total cost includes a fixed fee for shipping.

How much does it cost to order 4 pounds of coffee?

From the graph, we see that the cost to order 4 pounds of coffee is $23.


Consider the example below which is a graph that relates the hours that a car has been on the road to the number of miles that the car has been on the road.



After 2 hours how far has the car traveled?
100 miles
200 miles
300 miles
400 miles