I need help with this whole problem really

timer Asked: Sep 14th, 2015

Question description

The point P(1,3) lies on the graph f(x)=x^2+x+1. Consider the point Q(x,f(x)) on the graph f, and let mpq be the slope of the secant line through the points P and Q.

a) find the equation for mpq

b) find limit as x approaches 1 for mpq. What does this limit mean in the context of this problem?

c) Find the equations of the tangent line and the normal line through the point P(1,3)

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