Question: Sofia and Arun are looking at this function machine and table of values. Is either of them correct? Show all your working. x D x

Sofia and Arun are looking at this function machine and table of values.

x D x 4 5.5 7 y A 13 19 25 I

Is either of them correct? Show all your working.

x D x 4 5.5 7 y A 13 19 25 I think the equation for this function is y=3x+1. I think the equation for this function is y=4x-3.

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