What are the domain and range of f(x) = (one-sixth) Superscript x 2? domain: Left-brace x vertical-line x greater-than negative one-sixth right-brace; range: {y | y > 0} domain: Left-brace x vertical-line x greater-than one-sixth right-brace; range: {y | y > 2} domain: {x | x is a real number}; range: {y | y > 2} domain: {x | x is a real number}; range: {y | y > –2}