Find the equation pfthe line tangent to the given curve at x = a. Use a graphing utility to graph the curve and the tangent line on the same set of axes. The equation for the tangent line is y = Cl. (Type an expression using x as the variable.) Find an equation ofthe line tangent to the given curve at x: 3. Use a graphing utility.r to graph the curve and the tangent line on the same set of axes. y=6+8x+Sch;a=l The equation for the tangent line is y =