(the choices for the first one is 90 or 180)

(the choices for the second one is [1 and 2] [1 and 4] [2 and 3] [3 and 4] )

the choices for the third one is 1 or 4

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]