Question 4(Multiple Choice Worth 1 points) (03.03 MC)

The number of users of a cell tower in a small, developing town increased by a factor of 1.5 every year from 2010 to 2019. The function below shows the number of cell tower users, f(x), after x years from the year 2010:

f(x) = 5,000(1.5)x

Which of the following is a reasonable domain for the function?

2,010 ≤ x ≤ 2,019
0 ≤ x ≤ 5,000
0 ≤ x ≤ 9
All positive integers

Of the following, which statement or statements accurately reflect a way in which credit can be safer than cash? i. if your credit card gets stolen, you can cancel it and get your money back. ii. it is harder to lose a single credit card than a large number of bills. iii. if a merchant does not honor the agreement, you can call the credit company and dispute the charges. a. i and iii b. ii only c. iii only d. i, ii, and iii