6 6 points State the definition of the tangent line to the graph of a function y f x at a point P a f a Draw a picture showing the graph of y f x and the tangent line at P and illustrate the definition of the tangent line in your picture Then explain why the slope of the tangent line is equal to In your picture what does f x f a a lim x a f x f a x a represent Upload an image a PDF of your solution Save Answ