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A bookstore charges $4 for shipping, no matter how many books you buy. Irena makes a graph showing the shipping cost for I to 5 books. She claims that the points she graphed lie on a line. Does her statement make sense? Explain

User CamelCaseD
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1 Answer

3 votes

Answer:

Yes

Explanation:

1 book = $4

2 books = 2*$4

3 books = 3*$4

4 books = 4*$4

5 books = 5*$4

This can be shown as: y=4x

y=ax+b is linear function, Irena is right

User Jacelyn
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