2. Given 2x, if x 1 Find: (2 marks) a) f(-2) = b) f ( 1 ) = 3. State the domain and range of the given function. (2 marks) -51. Given the graph of f(x) below: (2 marks) -2 1-1 a. What is the value of f(x) when x = -1? b. What is the value of x when f(x) =3?4. Determine whether each of the following is a function or a relation. Explain your answer. (6 marks) a. y = x +4 b. {(0,1), (1,2), (2,3), (2.5,3), (3,5), (4,6), (5,7) } C. Turf