Find the general expression for the slope of a line tangent to the curve of y = x2 + 4x at the point P(x,y). Then nd the slopes for x = 2 and x = 1.5. Sketch the curve and the tangent lines. c:) What is the general expression for the slope of a line tangent to the curve of the function y = x2 + 4x at the point P(x,y)? mtan =|:| Find a general expression for the slope of a tangent line to the indicated curve. Then nd the slopes for the given values of x. Sketch the curves and tangent lines. y=x2+3x+3n;x= 2,x=2 c:) What is the general expression for the slope of a line tangent to the curve of the function y = x2 + 3x + 311: at the point P(x,y)'? mtan = D (Simplify your answer.)