Answered. Talk about cool! One of my favorite features of desmos is the use of sliders. In the following example, a function with a domain that is less than 2 and greater than ‑2 is specified on the entry line: 1. Once you’ve mastered this feature you’ll be cranking out incredible graph art in no time. Click on "Restrictions". Restricting Domain. From the Graph Entry/Edit menu, select Function. 2. 1. For multiple domain restrictions on a function, use the piecewise() function. Restricting Domain and Range. For example, y=2x{1