I just learned calculus, so I want to be able to figure out how to solve each step. If it is a paper answer hope to be able to clear the word, I am afraid that I will not understand the font, grateful.

Here are the questions and answers

Note: for evaluation an implicit derivative at a certain point we need both coordinates x and y 4.4 Homework Practice Exercise 1: Differentiate implicitly to find y' (a, b, c, are constants): a) xy' + 3y+x = 9 b) 2x-xy =y-x -1 c) 2x' +x yty' =36 d) x ty' = 3cry e) ax +2cxy+ by =25 f) x2 ( x - y) +y =x2 8) x3 - y- 2x x - 2y h) 2y = (2xy + 1) i) 2(y -x) = x j) x+(1-y)' =xy k) (v-x) =1+x x+y 1) ( x2 + 12 ) ( x + 1 ) =1