work: HW 5.3/5.4- Higher Derivatives, avity, and Cu n list n 1 n 2 n 3 n 4 n 5 n 6 n7 K Find the open intervals where the function is concave upward or concave downward. Find any inflection points. HW Score: 48.15%, 4.33 of 9 points O Points: 0 of 1 Save Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. The function is concave upward on the interval(s) and concave downward on the interval(s). (Type your answers in interval notation. Use a comma to separate answers as neede OB. The function concave downward on the interval(s) upward. (Type your answer in interval notation. Use a comma OC. The function is concave upward on the interval(s) downward. (Type your answer in interval notation. Use a comma to separate answers as needed... OD. The function is never concave upward or downward. The function is never conca to separate answers as needed. The function is never concave

points: choice A. The funcbon a concave upward on the irterval(a) and concave dounward on the intarvatis) Type yos answers is nterval notofion. Uis e corves to seporate animen at neode 6. The Lneson a conceve upaart on the interva(s) The Kuncton is never concave downaust D. The Ructon is never concave upeind of downmind