1. Math
2. Calculus
3. uppose that a use interval notation to indicate where is...

# Question: uppose that a use interval notation to indicate where is...

###### Question details

uppose that

(A) Use interval notation to indicate where is concave up.
Note: When using interval notation in WeBWorK, you use I for , -I for , and U for the union symbol. If there are no values that satisfy the required condition, then enter "{}" without the quotation marks.

Concave up:

(B) Use interval notation to indicate where is concave down.
Concave down:

(C) Find all inflection points of . If there are no inflection points, enter -1000. If there are more than one, enter them separated by commas.
Inflection point(s) at =