Really isn't a problem to show work on, considering that they've given you a graph.
The y-intercept is obviously -6, to find the slope I would just observe the rise over run. It goes up 4 and over 1 unit. So it should be 4/1 or just 4.
C. y=4x-6 is your answer.
It is 6 the whole number 825/1000
C is the correct answer
good luck
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