I need help with these two problems please, and please answer all parts of the questions and make it it legible. You can see from the pics how many parts of the problems their are.

Part 1 of 2 Find the linearization L(x,y) of the function at each point. f(x,y) = x2 + y2 +1 a. (0,3) b. (1,4) . . . . . a. L(X,y) =Part 1 of 2 Find the linearization L(x,y) of the function f(x,y) = 7x -9y + 8 at the points (0,0) and (1, 1). . . . . . The linearization of f(x,y) at (0,0) is