Activity 4 Score: 3f5 HZ answered ' . Question 2 1r ' | A box with a square base and ncr top is to be made from a square piece of cardboard by cutting 3 inch squares from each corner and folding up the sides. The box is to hold 3468 my\". How big a piece of cardboard is needed? 2 Add Work :| A kids' organization sold TDD bars last year at S 3.35 per candy bar. Research has suggested that for each 5 {1.45 price increase, they will sell 4t} less candy bars. They want to know what price should they sell their candy bars at to maximize their revenue. HINT: A} Define your variables. This means that for every letter you use to represent a value, you communicate what it equals in words. E} Find the linear equation that relates the price and the number sold. C] Determine a function that represents the Revenue. (Remember: Revenue = [Frice]*[Number SoldH. D] Answer the questions using your calculator or get information from the graph of your revenue function (calculator, Desmos, or something similar]. The price of a candy bar that maximizes the revenue is $ . Round to the nearest cent. The number of candy bars they will sell at that price is . Round to the nearest whole number. Add Work The water temperature in the ocean varies inversely with the depth of the water. The deeper a person dives, the colder the water becomes. At a depth of 1, 100 meters, the water temperature is 40 Celsius. What is the water temperature at a depth of 600 meters? A) Find the constant of proportionality k: K = (If needed, round answer to 2 decimal places.) B) Using the k from above find the water temperature in degrees Celsius at a depth of 600 meters. The water temperature will be " Celsius. (If needed, round answer to 2 decimal places.) Add WorkThe owners of a small fruit orchard decide to produce gift baskets as a sideline. The cost per basket for producing I basket is (@) = 0.03x - 4x + 120. How many baskets should they produce in order to minimize the cost per basket? Number of baskets, rounded to the nearest whole number, is