1331 W - SC Deriv - 1331 Fall 2 Cubic Regression Calculator * Derivative of x^ 5: 5x^4 x 1 1331 Homepage - Fall 2023 TT x + - C webassign.net/web/Student/Assignment-Responses/submit?dep=32758890&tags=autosave#question 1716140_39 37. [2/5 Points] DETAILS PREVIOUS ANSWERS Allen and coworkers collected the data found in the following table relating the intrinsic rate y of increase of the citrus rust mite to the temperature 7 in degrees Celsius 7 14 17 19 21 23 25 27 29 31 33 y -0.05 -0.02 0.04 0.08 0.10 0.09 0.12 0.12 -0.08 -0.24 A. Use cubic regression to find the best-fitting cubic to the data. y (t ) B. Find the rate of change of the cubic regression function. y' (E) = C. Find second derivative of the cubic regression function. y" (t) = . Find the interval where the function If concave up and concave down. concave up: (-Do, 19.75) O (-Do, 19.75] . [19.75, 00) O (19.75, Do) no interval concave down: O (-Do, 19.75) O (-Do, 19.75] (19.75, Do) [19.75, DO) no interval 65"F Heavy t-storms Q Search