What is the direction of the vector line w = (-1,6)

Find the inverse of each function for problems 1–6. state the domain and range of both the function and its inverse. restrict the domain of the function if needed. 1. f(x) = –x2 2. f(x)=5x–1 3. f(x)=–x+3 4. f(x)=x2+7 5. f(x)=14x−4 6. f(x)=–3x+8