. What does the statement (c(2) = 40) mean?
- A) Company C's plan costs $40 for 2 gigabytes of data.
- B) Company C's plan costs $80 for 2 gigabytes of data.
- C) Company C's plan costs $10 for 2 gigabytes of data.
- D) Company C's plan costs $25 for 2 gigabytes of data.

Which is less, (c(4)) or (d(4))? How do you know?
- A) (c(4)) is less because (c(4) = 70) and (d(4) = 80).
- B) (d(4)) is less because (c(4) = 70) and (d(4) = 80).
- C) (c(4)) is less because (c(4) = 40) and (d(4) = 80).
- D) (d(4)) is less because (c(4) = 40) and (d(4) = 80).

Which is less, (c(5)) or (d(5))? How do you know?
- A) (c(5)) is less because (c(5) = 55) and (d(5)) has unlimited data.
- B) (d(5)) is less because (c(5) = 55) and (d(5)) has unlimited data.
- C) (c(5)) is less because (c(5) = 55) and (d(5) = 80).
- D) (d(5)) is less because (c(5) = 55) and (d(5) = 80).