Find the following partial derivatives. (a) Find f ( - 1.5,2). of (b) Find ay (Use the interactive figure to find your answer.) Click here to launch the interactive figure.1 (a) The value of f( - 1.5,2) is (Type an integer or decimal rounded to two decimal places as needed.) of (b) The value of ay is (Type an integer or decimal rounded to two decimal places as needed.) 1: http://media.pearsoncmg.com/cmg/pmmg_mml_shared/animations/calculus/html5_ifigs/iFig4_42/index.html