How do you find the domain for #f(x)= 2sinx-3#? Precalculus Functions Defined and Notation Domain 1 Answer Karthik G Jan 8, 2016 #(-oo,oo)# as #sin(x)# is defined over all real numbers. Explanation: The domain of #f(x) = 2sin(x)-3# is same as that of #sin(x)# The domain of #sin(x)# is #(-oo,oo)# Answer link Related questions What is the domain of a function? What are common mistakes students make when working with domain? How does the domain of a function relate to its x-values? What is the domain of a linear function? What is the domain of a quadratic function? What is the domain of a function like #f(x) = 5x^2#? What is the domain of #f(x) = {(1, 2), (3, 4), (5, 6), (7, 8), (9, 10), (10, 10)}#? What is the domain of #f(x) = x#? How do I find the domain of the function #f(x) = 2x#? How do I find the domain of the function #f(x)=5x^2+2x-1#? See all questions in Domain Impact of this question 2683 views around the world You can reuse this answer Creative Commons License