What is the domain and range of (x^4 + x^2) /(1+x^2)? Algebra Expressions, Equations, and Functions Domain and Range of a Function 1 Answer Abhinav T. Mar 30, 2016 Domain: x Range: x^2 Explanation: Given, f(x)=(x^4+x^2)/(x^2+1) or, f(x)=(x^2*(x^2+1))/(x^2+1) Hence, f(x)=x^2 Answer link Related questions How do you determine if (-1, 4), (2, 8), (-1, 5) is a function? What is the domain for f(x)=2x-4? What is the domain and range for (3,1), (1,-4), and (2, 8)? What is the domain and range of a linear function? Is domain the independent or dependent variable? How do you find the domain and range of a function in interval notation? How do you find domain and range of a rational function? How do you find domain and range of a quadratic function? How do you determine the domain and range of a function? What is Domain and Range of a Function? See all questions in Domain and Range of a Function Impact of this question 1563 views around the world You can reuse this answer Creative Commons License