Given the parabola y = x2 + 3x-5, find the tangent equation of the parabola at x = 3 Do with derivative

Given the parabola y = x2 + 3x-5, find the tangent equation of the parabola at x = 3 Do with derivative

The derivative y '= 2x + 3 is x = 3, k = 9, so the tangent is y-13 = 9 (x-3)