10.2 Question #7

A function and its graph are given. Use the second derivative to determine each of the following. Check your results against the graph shown. f(x) = ix\" + be 3x2 + 7 4 2 nd 20 15 Determine intervals on which the function is concave up. (Enter your answer using interval notation.) IZ X Determine intervals on which the function is concave down. (Enter your answer using interval notation.) I: X Locate the points of inection. (If an answer does not exist, enter DNE.) (X, Y) = ( '2, 6 X ) (smaller xvalue) (X, Y) = ( 1:? ) (largerX-value) X