* Question Completion Status: X ESTION 6 15 points Save Answer Consider f(x, y ) = 4x4+12 - 2x +1 Evaluate D = f of yy - [f,] at (0,0)? What can you say? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt V Av SIX ... x2 X2 ABC V V T ( @) + P 0 WORDS POWERED BY TINY X E QUESTION 7 8 points Save Answer Find the first-order partial derivatives of 9x - 1ly f (x,y ) = 6x + 5y For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt v IEv AV SIX ... E X2 X2 IT The V O + Priva Tern Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit ACCE