. You have been evaluating cell phone providers. Double Mint Mobile has a $100 startup fee and costs $30 per month for a cell phone plan. BT&T has a $20 startup fee and costs $50 per month for a similar cell phone plan. After how many months will both cell phone plans cost the same?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.