HELP(NO LINKS) Does the relationship between the cost in dollars, yy, and bags of candy, xx, represent a function? Explain.

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Anyone know? will mark brainliest if you're correct!