proportional relationships have constant ratios.
the graph is a line, so it is a proportional relationship. (A)
the function is in the form y=kx (proportional function) (C)
Find the ratio of the tables: (B)
D
All represent a proportional relationship
The linear function that models the total cost for x deliveries is:
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A linear function has the following format:
In which
In this problem:
The function for the <u>total cost for x deliveries is:</u>
A similar problem is given at brainly.com/question/16270359