The graph shows a proportional relationship between a persons total savings in dollars and the number of weeks they have been saving. Write an equation that models the savings

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

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]

Anyone know? will mark brainliest if correct