How do you do this problem?
A restaurant automatically adds 18% gratuity to the total cost of food and beverage on all bills.
a) write a function for the gratuity added to a food and beverage total of $x.
b) Evaluate and interpret f(40)
A restaurant automatically adds 18% gratuity to the total cost of food and beverage on all bills.
a) write a function for the gratuity added to a food and beverage total of $x.
b) Evaluate and interpret f(40)
Comments
f(x) = 0.18x
f(40) = 0.18(40) = $7.20