What is the range of #f(x) = abs(-2x-1)#? Algebra Expressions, Equations, and Functions Domain and Range of a Function 1 Answer Alan P. May 4, 2015 #-2x-1# can be used to generate any Real number with an appropriate value selection for #x# #abs(-2x-1)# restricts the generated values to those greater than or equal to zero (by definition of absolute value). Range of #f(x)=abs(-2x-1)# is #[0,+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 1194 views around the world You can reuse this answer Creative Commons License