function f(x) is the cost of renting a car where X represents the number of miles driven

what is the practical domain for the function f(x)

a all whole numbers

b all positive real numbers

c all integers

d all real numbers

the function f(x) is the wait time for a table at a restuarant where x is the number of people in line

What is the practical domain for f(x)?

a all whole numbers

b all positive real numbers

c all integers

d all real numbers

Nuggetguy Apr 4, 2019

#1**+1 **

First one :

B. All positive real numbers

However......if miles can only be (rounded) integer values and 0 miles is possible, then the answer might be

A. All whole numbers

Second one :

A. All whole numbers (we can have 0 people waiting or a positive integer number of people waiting )

CPhill Apr 4, 2019