Answer Happy

can you please explain your steps as well!! I am so confused on this homework.
5. x² + y²=9 7.5+5=16 9. x² - xy + y² = 7 11. ry - y = x 13. - 3x²y + 2xy² = 12 15. xe- 10x + 3y = 0. 17. sin x + 2 cos 2y = 1 19. csc x= x(1 + tan 21. y sin xy 23. x²-3 In y + y² - 10 25. 4x² + Iny² + 2y = 2x OO Finding 6. ²²2² =25 8. 2r + 3y = 64 10. xy + x = -2 y + 1 12. √√xy = 14. xy 16. e¹+x²-y²= 10 18. (sin nx+cos my)² = 2 20. cot y=x-y 1 22. x-sec 24. In xy + 5x - 30 26. 4xy + In xy-7 Implicitly - 8xy +3m² = 9 Derivatives and 41. Bifolium: (x² + y²)² = 4x²y -2+ (1, 1) 43. Parabola 42. Folium of Descartes: r' + y³ - 6xy = 0 3 2 [G-9 23 Famous Curves In Exercises 43-48, find equation of the tangent line to the graph at t given point. To print an enlarged copy of th graph, go to MathGraphs.com. 44. Circle

69. y=x√√x² +1, x>0 70. y = x²(x + 2). x > 0 x²-1 Vr²+1 71. y = 69-80, use logarithmic differentiation to find ay/dx. 73. N x(x-1)3/2 √x+1 75.x = x²/. x > 0 H x²√√3x-2 (x + 1)² 2 1>²/7 X x>0 x>1 77. y=(x-2). x > 2 79. y=x. 72.y= 74. y 76. 78. v= 80. v x>1 (x + 1)(x - 2) (x - 1)(x + 2) x > 2 x > 0 (1+x)¹ x > 0 (In x) xx> 1 (In x) x