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Alona [7]
3 years ago
14

Pls pls help with this!

Mathematics
1 answer:
marin [14]3 years ago
5 0

Answer:

  D:  y = 3x

Step-by-step explanation:

The relationship shown is a proportion. The only "unknown" is the constant of proportionality, the slope of the line. That is most easily found by looking for the value of y that corresponds to the value x=1.

__

This graph shows that 1 song costs $3, so the equation is ...

  y = 3x

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