By the end of its fourth week, a movie had grossed $9.2 million. Assume the revenue y in millions of dollars is proportional to the week x

Can any one me with the answers to these questions asap?

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls

Graph each quadratic function and identify its key characteristics. f(x) = x^2 - 2x - 3