Find a general expression for the slope of a tangent line to the indicated curve. Then find the slopes for the given values of x. Sketch the curves and tangent lines. y =x + 3x + 3n; x= - 3.5, x= 3...

Extracted text: Find a general expression for the slope of a tangent line to the indicated curve. Then find the slopes for the given values of x. Sketch the curves and tangent lines. y =x + 3x + 3n; x= - 3.5, x= 3 What is the general expression for the slope of a line tangent to the curve of the function y =x + 3x + 3n at the point P(x,y)? młan = (Simplify your answer.) The slope at x= - 3.5 is. (Simplify your answer.) The slope at x = 3 is |. (Simplify your answer.) Sketch the curve y =x + 3x + 3n and the line tangent to the curve at x= -3.5. Choose the correct graph below. O A. О В. OC. OD. Ay Sketch the curve y =x + 3x + 3n and the line tangent to the curve at x= 3. Choose the correct graph below. O A. OB. OC. OD.