Explanations 
Textbooks 
Flashcards 
91影视 AI 
Notes 
Study Plans 
Study Sets 
Find a degree 
Magazine Problem 11
Find the range of the functions. $$g(x, y)=\sqrt{16-4 x^{2}-y^{2}}$$
Problem 14
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$z(x, y)=y^{2}-x^{2}, \quad c=1$$
Problem 15
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$z(x, y)=y^{2}-x^{2}, \quad c=4$$
Problem 16
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$g(x, y)=x^{2}+y^{2} ; c=4, c=9$$
Problem 17
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$g(x, y)=4-x-y ; c=0,4$$
Problem 18
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$f(x, y)=x y ; c=1 ; c=-1$$
Problem 19
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$h(x, y)=2 x-y ; c=0,-2,2$$
Problem 20
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$f(x, y)=x^{2}-y ; c=1,2$$
Problem 21
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$g(x, y)=\frac{x}{x+y} ; c=-1,0,2$$
Problem 22
For the following exercises, find the level curves of each function at the indicated value of \(c\) to visualize the given function. $$g(x, y)=x^{3}-y ; c=-1,0,2$$
