A band is planning to sell t-shirts on tour. Function f describes the cost of making n t- shirts.

f(n) = 3.5n + 240

Part 1
What is f(70)? (Use only the digits 0 - 9 to enter the value.)

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Which of the following parabolas opens down?