Please help to explain why the following answers for # 1, 11, and 16 are incorrect and provide information on the correct answer(s). Thank you for your time :)

Question 1 of 20 The function f(x) = (2x - 1) is one-to-one if its domain is O (-00, -1) U (1, 00) O (-00, 00) O (-00, 2] O (-0o, ! ) O [-1,00) IncorrectQuestion 11 of 20 > The horizontal shift of the function f(x) = -2 + 2 cos(3x - 4) is 4 units to the left O units to the left O units to the left O units to the right O 4 units to the right IncorrectQuestion 16 of 20 > Which of the following functions is one-to-one? O h(x) = = O g(x) = -x2 +5 O G(x) = x O F(x) = [x] O f ( x) = 1x -21 Incorrect