How do you find the domain of #f(x)=sqrt(2x^2-5x+2)#? Algebra Expressions, Equations, and Functions Domain and Range of a Function 1 Answer kamil9234 Apr 10, 2017 #D=R# without #{1/2, 2}# Explanation: #2x^2-5x+2>=0# #b^2-4ac=25-4*2*2=9# #sqrt(9)=3# #x_1=(5-3)/4=1/2# #x_2=(5+3)/4=2# #D=R# without #{1/2, 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 1485 views around the world You can reuse this answer Creative Commons License