$40 with a 30% markup

Create another three examples that does not behave like a function. explain why your chose each example to fit the category be very

Which of the following parabolas opens down?

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.