The following expression models the total money earned by setting up a food stall at a funfair, where [tex]$x$[/tex] represents the number of cheeseburgers sold.

[tex]\[ \frac{60}{x+3} - 10 \][/tex]

What does the constant term in the above expression represent?

A. The constant -10 represents the cost of setting up the food stall even if no cheeseburgers were sold.
B. The constant -10 represents the maximum number of cheeseburgers sold by the food stall at the funfair.
C. The constant -10 represents the total money earned by setting up the food stall.
D. The constant -10 represents the cost of each cheeseburger at the food stall.



Answer :

To determine what the constant term [tex]\(-10\)[/tex] represents in the expression

[tex]\[ \frac{60r}{x+3} - 10 \][/tex]

where [tex]\(x\)[/tex] is the number of cheeseburgers sold, let's analyze each option one by one:

1. Option A: The constant -10 represents the cost of setting up the food stall even if no cheeseburgers were sold.
- This makes logical sense. The term [tex]\(-10\)[/tex] is subtracted from the revenue earned, which indicates it could represent a fixed cost associated with setting up the food stall. Even if no cheeseburgers are sold (i.e., [tex]\(x = 0\)[/tex]), there would still be a fixed setup cost of 10.

2. Option B: The constant -10 represents the maximum number of cheeseburgers sold by the food stall at the funfair.
- This interpretation is incorrect as the constant [tex]\(-10\)[/tex] does not provide information about the number of cheeseburgers sold. The number of cheeseburgers would be represented by [tex]\(x\)[/tex], not a constant term.

3. Option C: The constant -10 represents the total money earned by setting up the food stall.
- This is not accurate because the total money earned would be dependent on the number of cheeseburgers sold (i.e., [tex]\(x\)[/tex]). A constant term cannot represent a total money earned, which would fluctuate with sales.

4. Option D: The constant -10 represents the cost of each cheeseburger at the food stall.
- This is also incorrect. The cost of each cheeseburger would be a value that varies with the number of cheeseburgers sold and revenue generated, not a constant subtraction of 10 from the total.

Given these analyses, the correct interpretation is:

Option A: The constant -10 represents the cost of setting up the food stall even if no cheeseburgers were sold.