Qf q3a.) find the following function

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]

Which expression is equivalent to sq-80

Divide. write in the simplest form. 4 1/6 divided by 10