The equation of the line could be given by: y = 3x.
A linear function is modeled by:
y = mx + b
In which:
In this problem, the lines goes only through quadrants III and I, which means that:
Hence, researching the options on the internet, the line is:
y = 3x.
More can be learned about linear equations at https://brainly.com/question/24808124
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