9781439049570_TestBank_Ch02_Describing_Change_Rates.rtf 9781439049570_TestBank_Ch02_Describing_Change_Rates.rtf administrator Test Bank: Calculus Concepts: An Informal Approach to the Mathematics of Change, 5th Edition, Donald R. LaTorre, John W. Kenelly, Iris B. Reed, Laurel R. Carpenter, Cynthia R. Harris, Sherry Biggers, ISBN-10: 1439049572, ISBN-13: 9781439049570