Question

Use a formula to express the function.You sell lemonade for 50 cents per glass. You invested $5.00 in the ingredients. Write a formula that gives the profit in dollars P =P(n) as a function of the number n of glasses you sellP=

Answer 1

P(n) = 0.5n - 5

Explanation:

Profit:

What you sold subtracted by what you invested.

Sold:

You sell each glass for 50 cents, which is $0.5.

So selling n glasses, you earn 0.5n.

Investments:

You invested $5 in ingredients.

Profit:

P(n) = 0.5n - 5