Domain: all of f(n)
Range: 1, 2, 3, 4, 5, 5
The correct answer is letter d.
The reason is because of what each of these statements represent in math.
A number directly outside of a. parentheses means that we have that many groups of everything inside of the parentheses.
9(y + 3) means we have 9 groups of y and 9 groups of 3. This is the same as saying 9y + 27 or 27 + 9y.
If you would like to know about how much will you spend on gas, you can calculate this using the following step:
$3 per gallon & 23 miles for every gallon of gas:
$3 * 23 miles = 69 miles
Result: You will spend $3 for 69 miles.
