Which inference can be made about the cars ? The type of cars sold in June typically gets better gas mileage . The type of cars sold in June typically gets better gas mileage.

The types of cars sold in December typically gets better gas mileage.

The types of cars sold in the two months typically get about the same gas mileage.

The type of cars sold in the two months typically get better gas mileage than those sold in other months

pls i really need help it's an exam

Select all the correct answers.natalie buys a new car. in the first month, the odometer on the car records 800 miles. from past experience, she expects to drive 900 miles per monthselect all the functions that can be used to find the number of miles, f(n), recorded on the odometer after n months.of(n) = 800n + 100f(n) = 9001 - 100f(n) = 900n + 800(1) = 800; }(n) = f(n - 1) + 900, for n > 2f(1) = 800; 1(n) = f(n − 1) + 100, for n > 2(1) = 900; }(n) = f(n - 1) + 800, for n > 2

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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]