Use mtan = lim f(x) - f(a) x - a or mtan " h- 0 lim f(a + h) - f(a) to find the slope of the tangent line at the given point. x-a h 1) y = x2 - 2x + 3, x =-1 A) m =-1 B) m =-2 C) m =3 D) m =-4 , X = 6 2 ) y = 7 +x 3 3 C) m = = 3 D) m = A) m = B) m = 13 169 169