Determine where the graph of the function is concave upward and where it is concave downward. Also, find all inflection points of the function.

Question

Select the correct answer.

a. CU on (?2, 2),
IP none

b. CU on (??, ?2) and (2, ?), CD on (?2, 2),
IP (?2, ?18) and (2, 18)

c. CD on (?2, 2),
IP none

d. CU on (?2, 2), CD on (??, ?2) and ,
IP (?2, ?18) and (2, 18)

Answer 1

a. CU on (?2, 2),
IP none