Question

If a function f(m) models the number of hours it take to hike m miles through the jungle, which describes the appropriate domain for the function?

A) all integers where m > 0
B) all integers where m ≥ 0
C) all rational numbers where m > 0
D) all rational numbers where m ≥ 0

Answer 1

D

Explanation:

all rational numbers where m ≥ 0

The number of hours it takes to hike through the jungle can be calculated from any fraction of a mile or miles.

Answer 2

the correct answer is d