What is the domain and range of #f(t) = sqrt(9-t)#? Algebra Expressions, Equations, and Functions Domain and Range of a Function 1 Answer bp Oct 13, 2015 #{t:RR, t<=9}# 0r #(-oo,9]# Explanation: The domain of f(t) would be such that #9>=t# that means t should be less than or equal to 9. This can be expressed as #{t:RR, t<=9}# or #(-oo,9]# 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 1581 views around the world You can reuse this answer Creative Commons License