Submit Answer 5 DETAILS MY NOTES ASK YOUR TEACHI Determine where the function Is concave upward and where it is concave downward. (Enter your answer using Interval notation. If an answer does not exist, enter DNE.) F(x) = 2x + 5x1/3 + 17 Concave upward: Concave downward: Complete the following parts. (a) The domain of the function f is (Enter your answer using interval notation.) (b) To determine the concavity of the function f, we use the - Select.. (c) To determine the concavity of the function f, we need the critical numbers of -Select-v. (d) To find these critical numbers, we need to find -Select-v (e) These critical numbers are as follows. (Enter your answers as a comma-separated list. If an answer does not exist enter DNE.) (f) Then, we use these critical numbers to construct the sign diagram for |-Select- Submit Answer 6. DETAILS MY NOTES ASK YOUR TEACHI