I don't understand my homework

1 Give the domain and range. Then, use the graph to find (a) f( 2), (b) f(0), (c) T{E] , and (d) any values of x such that f(x)=4. The domain is (Type your answer in interval notation.) The range is (Type your answer in interval notation.) (a) f(-2)=___ (Type an integer or a decimal.) WO (Type an integer or a decimal.) (c) 1(1/2) (Type an integer or a decimal.) (d) What are the values of x for which f(x)=47 (Use o comma to separate answers as needed.)