5:18 EM & . No alll 73% X Do Homewo . . . nylab.pearson.com Question 1, 4.4.1 HW Score: 5%, 0.25 of 5 points O Points: 0 of 1 Save Translate the following sentence into a mathematical equation. Use the letter A to represent the area, and the letter r to represent the radius. The area of a circle is the product of the number at and the square of the radius. 0:0 (Using the symbols defined in the statement of the problem, type the equation with the variable for area on the left and the formula on the right.) O5:18 EM & . will 73% X Do Homewo . . . nylab.pearson.com k 4.4 Question 2, 4.4.2-GC HW Score: 5%, 0.25 of 5 points O Points: 0 of 1 Use a graphing utility to find the line of best fit for the following data. K 3 3 4 12 13 15 17 19 The equation of the line of best fit is y = x +]. (Type integers or decimals rounded to four decimal places as needed.) O5:18 PM We will 73% X Do Homewo . . . nylab.pearson.com Question 3, 4.4.7 HW Score: 5%, 0.25 of 5 points A 0 (b) Use a graphing utility to find the quadratic function of best fit that models the relation between age and median income. The quadratic function of best fit is y = x2 + x -. "Type integers or decimals rounded to three decimal places as needed.) O