Can someone help how to calculate the slope, tangent line and normal line? I'm lost on how I should code those three and I don't have much infor from clas how to code these 3.

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Neil Allen
Neil Allen 2022-10-2
回答： Walter Roberson 2022-10-2

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Walter Roberson
Walter Roberson 2022-10-2
The equation of a straight line is often stated in the form
y = m*x + b
You have calculated y0 (the value the equation will have at x0), and you have calculated m, so now you need to calculate b and put the result together in the form ytangent = m*x+b
The normal to a line at a point passes through the same line but has a slope 90 degrees different.

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