Identify the values of the y-intercept a and the slope b, and sketch the following regression lines for values of x between 0 and 10. Complete parts (a) through (d). a. Find a and b for the equation y = 3 + 0.4x. a= b = Sketch the regression line y = 3+0.4x, for values of x between 0 and 10. Choose the correct graph below. O A. O B. O c. OD 3- 10 My Q X 10 10 10 b. Find a and b for the equation y = 3+ x. a= b= Sketch the regression line y # 3+ x, for values of x between 0 and 10. Choose the correct graph below. OA O B O c. O D. 13 Q Ay 13- 10 7 Q Q 10 10 Click to select your answer(s)