What is the equation of the graphed line?

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]

What are the steps to solving the inequality 3b + 8 ≥ 14?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.