There are 27 children in the class.
18 divided by two equals 9
9 times 3 is 27
For this case we have the following equation:

Where, by definition, we have the following variables:
d (x): the daily expense per truck (in dollars)
x: the daily mileage
Therefore, the domain of the function is given by:

Equivalently:
[0, ∞)
Answer:
The input for the function includes all positive real numbers
option d.
I think it’s always have a blessed day
Answer:
thank you!!
Step-by-step explanation: