Later on in this chapter, we will find the slope of the line tangent to the graph of f(x) = -x2 + 3x at the point x = 1. For now, we will: 1. Find the derivative of f'(x). What is the derivative using limp-to f ( z th ) - f ( ) ? h Of'(z) =3x -2 Of(=) - -2+2h+ 3 Of(z) - -2-3