Will mark branliest please help geometry

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]

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

What is the value of x in the following equation. -x ^3/2 = -27