Question

how do you graph y=4x+b

Answer 1

The y-intercept = (0, 1).
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To graph, start at the y-intercept (0,1) and follow the slope (4/1). That is, go up 4 spaces and to the right one space.
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Next, return to the y-intercept (0,1) and follow the other form of the slope (-4/-1). That is, go down 4 spaces and to the left one space.

Answer 2

i use this site called desmos it will graph anything you need graphes just type in the function https://www.desmos.com/calculator