Please solve and explain

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 = 3.5x - 2x2; x = - 1.5, x = - 0.5, x=2.5 What is the general expression for the slope of a line tangent to the curve of the function y = 3.5x - 2x at the point P(x,y)? mian = (Simplify your answer.) The slope at x = - 1.5 is (Simplify your answer.) The slope at x = - 0.5 is (Simplify your answer.) The slope at x = 2.5 is (Simplify your answer.) Sketch the curve of y = 3.5x - 2x and the line tangent to the curve at x = - 1.5. Choose the correct graph below. O A. O B. O C. OD