What is the antiderivative of #x#? Calculus Introduction to Integration Integrals of Polynomial functions 1 Answer bp Sep 27, 2015 #x^2 /2 +C# Explanation: Antiderivative is #x^2/2 +C#, because its derivate is x Answer link Related questions How do you evaluate the integral #intx^3+4x^2+5 dx#? How do you evaluate the integral #int(1+x)^2 dx#? How do you evaluate the integral #int8x+3 dx#? How do you evaluate the integral #intx^10-6x^5+2x^3 dx#? What is the integral of a constant? What is the antiderivative of the distance function? What is the integral of #|x|#? What is the integral of #3x#? What is the integral of #4x^3#? What is the integral of #sqrt(1-x^2)#? See all questions in Integrals of Polynomial functions Impact of this question 15531 views around the world You can reuse this answer Creative Commons License