For items 6-10: Find using implicit differentiation. 6. 3y2 + 2x - 14 = 0 x2 A. y'=- y B. y' x2 C. y'= - Y D. y'= x2 - y .2 1 7. x? 3 y В. Су dx C. dy D. dy . 3y 3y 2y 3x 2х А. dy dx 2x 3x dx 2y dx 8. x? + y? = xy %3D 2у+x B. y'= X-2y А. У'— у+2х x-2y В. У'— С. У'— D. y'= Y-2x %3D 2х-у X+2y 9. x+xy-y = 0 -у-1 X-2y dy C. x у-1 x+2y У+1 A. = 1-y %3D dy В. D. %3D %3D x-2y 2x+y 10. (x2 + y?)(x² - y) = 1 (Hint: Multiply first, then differentiate.) D. - ,3 X° В. y° A. С. ,3