Answer questions 3, 4, 11 and 13

In Exercises 1 - 20, show that the given function is one-to-one and find its inverse. Check your answers algebraically and graphically. Verify that the range of f is the domain of f -and vice-versa. 1. f(x) = 6x - 2 2. f(x) - 42 - 2 I - 2 3. f(x) =_ 3 + 4 4. f(1) - 1 4 + 32 5 5. f(x) = V3x - 1+5 6. f(x) - 2 VI-5 7. f(x) = 3V/x -1-4 8. f(1) - 1 2 21 1 5 9. f(x) = 31 -1 10. f( 1) - 3 - V1 2 11. f(x) = 12 - 10r, 1 2 5 12. f(c) - 3 (2 + 4)2 -5, 3 5 4 13. f(x) = 12 - 6x + 5, x