The answer would be D. This is because in order to get W you would have to multiply 24 by the age (X) and add 8
I think the answer is 21 you just multiply the number of weightlifters by the number of places so 7 x 3.
Step-by-step explanation:
Let
where



so that

Recall that the derivative of the product of functions is

so taking the derivatives of the individual functions, we get



So the derivative of y(x) is given by

or



$22.50
You can get this by dividing the new total by 116%, which is how much of the bill was paid.