Answer:
b. y = x + 4
Step-by-step explanation:
So we know at x = 0, or the middle black line, the red line is touching 4 so y = 4. 4 is the y intercept so the equation should say "+ 4"
Then, we can see that when the red line increases up by 1 value, it also increases 1 value to the right so that would be 1/1 which equals to 1x.
Therefore the correct answer is y = x + 4
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