TL2. Find an equation for the line that is tangent to the curve y = x2 - 2x + 1 at the point x=1 and graph the curve and its tangent line (on a reasonable interval). (Use the back of the page or another page if needed.) App1. Find a local linear approximation to the function f (x ) = Vx near point x=4. Use it to estimate V4.1