On the open interval (-2, -1), we define the function f by f(x) = x2. Using only the definition of uniform continuity and not referring to any theorem (no credit if you do), prove that f is uniformly continuous on (-2, -1). On the open interval (-2, -1), we define the function f by f(x) = x2. Using only the definition of uniform continuity and not referring to any theorem (no credit if you do), prove that f is uniformly continuous on (-2, -1)