1. Stating the problem: Find the domain, range, and level curves for the given functions. 2. Domain: The domain of a function is the set of all input values $x$ for which the function is defined. 3. Range: The range is the set of all possible output values $y$ the function can produce. 4. Level curves: For functions of two variables, the level curves are sets of points $(x,y)$ where the function has a constant value. Since no specific functions were provided, I'll demonstrate the process generally: - Domain: Identify any restrictions such as division by zero or even roots of negative numbers. - Range: Analyze the outputs based on the domain, sometimes requiring calculus techniques. - Level curves: For $f(x,y) = c$ where $c$ is a constant, solve for the curve/equation in $x,y$. If you provide specific functions, I can calculate these precisely for each. Please share the functions you want analyzed.