Sarah Smith



Name_____________________Due Date__________________Hour______________________Unit 5A Review Fill in the table for this input-output rule:?inputoutput0?2?-8?100?2. You are told that you will have to wait for 5 hours in a line with a group of other people.?Determine if:You know the number of minutes you have to wait.You know how many people have to wait.For each statement,?if you answer yes,?draw an input-output diagram and write a statement that describes the way one quantity depends on another.If you answer no,?explain why.3. The value v of your quarters (in cents) is a function of n, the number of quarters you have.Draw an input-output diagram to represent this function.Write an equation that represents this function.Find the output when the input is 10.Identify the independent and dependent variables.Here is the graph of a function showing the amount of money remaining on a subway fare card as?a function of the number of rides taken.?What is the output of the function when the input is 10? On the graph, plot this point and label its coordinates.What is the input to the function when the output is 5? On the graph, plot this point and label its coordinates.What does point P tell you about the situation?Diego runs a 10 kilometer race and keeps track of his speed.a. What was Diego's speed at the 5 kilometer mark in the race?b. According to the graph, where?was Diego when he was going the slowest during the race?c. Describe what happened to Diego's speed in the second half of the race (from 5 km to 10 km).Elena starts to walk home from school, but has to turn around and go back because she left something in her locker. On her way back home (the second time), she runs into her friend who invites her to the library to do homework with her. She stays at?the library and then heads home to do her chores. Determine:Which graph fits Elena's story.What the two quantities are.Which quantity is a function of which.The table shows the area of a square for specific side lengths.side length (inches)0.5123area (square inches)0.25149The area?A of a circle?with radius r is given by the equation A=π?r2.Is the area of a square with side length 2 inches greater than or less than the area of a circle with radius 1.2?inches?In a certain city in France, they gain 2 minutes of daylight each day after the spring equinox (usually in March),?but after the autumnal equinox (usually in September)?they lose 2 minutes of daylight each day.Which of the graphs is most likely to represent the graph of daylight for the month after the spring equinox?Which of the graphs is most likely to represent the graph of daylight for the month after the autumnal equinox?Why are the other graphs not likely to represent either month? A small company is selling a new board game, and they need to know how many to produce in the future.After 12?months, they?sold 4 thousand games;?after 18 months, they?sold 7 thousand games;?and after 36 months, they?sold 15?thousand games.Could this information be reasonably estimated using a single linear model?If so, use the model to estimate the number of games sold after 48?months. If not, explain your reasoning. Lin uses an app to graph the charge on her phone.When did she start using her phone?When did she start charging her phone?While she was using her phone, at what rate was Lin’s phone battery dying? ................
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