1. [-I12 Points] WACALCTUTBANK1 3.4.003A.TUT.SA. ASKYOUR TEACHER PRACTICE ANOTHER This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise Determine the intervals on which the function is concave up or concave down and find the points of inflection. too = (x 8x5 x3) Click here to beg 4. [0/2 Points] DETAILS PREVIOUS ANSWERS LARCALC10 3.4.013. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Determine the open intervals on which the graph is concave upward or concave downward. (Enter your answers using interval notation. If an answer does not exist, enter DNE.) y = 5x - 9 tan x, (- 2' 2 concave upward 2 X concave downward 0, X Need Help? Watch It Additional Materials eBook7. [-14 Points] DETAILS LARCALC10 3.4.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the points of inflection of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = 5 sin x + 5 cos X, [0, 27:] (x, y) = d ' ) (smaller x-value) (X: Y) = (' ' ) (largerxwalue) Describe the concavity. (Enter your answers using interval notation.) concave upward concave downward ' Additional Materials Lil eBook