What is the domain and range of # y=3x^2#? Algebra Expressions, Equations, and Functions Domain and Range of a Function 1 Answer Alan P. Sep 1, 2015 Domain: #x in RR# Range: #y in RR [0,+oo)# Explanation: #y=3x^2# is defined for all Real values of #x# #3x^2 >= 0 and rarr +oo# as #abs(x) rarr oo# 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 5208 views around the world You can reuse this answer Creative Commons License