Need help ASAP. No links pla

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]

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?