REC 340 Final: Time Diary Charts SAMPLE-2

. Use a grap hing utility to graph f(x) x3+3x2 9x - 10. Then use the graph the open intervals on which the function is increasing or deeteas ing

misis B) There is a local maximum I F) for sone constant k find "(r) and interpret what that means about the grap A) /"(x)-0. This treans the graph has no concavity. B) )0. This means the graph is concave up c) Tis eans the e down D) r)-o This mes the graph is coneave down E) /"(x)- This means the graph is concave tip. Ld