Using the equation y= mx + b with the point (2,3) and slope m=4 , we have:
y= 4x + b
Replacing x=2 and y=3 in the equation, we have
3 = 4*2 + b
3 - 4*2 = b Isolating b
3-8 = b = -5
The final equation would be:
y = 4x - 5
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