Unit Test — Unit test Answers

Tonya plans to join a fitness club. She researched the costs to join different clubs in her area and found that there is a linear relationship between the total cost of belonging to a club and the number of months that you are a member. Each club charges monthly dues, and some clubs require new members to also pay a one-time membership fee. The total costs of being a member for 6 months, 12 months, and 24 months at each of three clubs are shown in the table.Total Cost of Fitness Club MembershipLength of membershipClub 1Club 2Club 36 months$108$120$12612 months$216$210$25224 months$432$390$504How many of the clubs require new members to pay a one-time membership fee?

A person weighs a different amount on other surfaces in space than they do on Earth because the gravitational pull of each surface is different than that of Earth. The table and graph show the weights of objects on Earth, Mars, and the Moon.Weight on Earth and MarsWeight on Earth, e90 pounds120 pounds160 poundsWeight on Mars, a36 pounds48 pounds64 pounds Weight on Earth and MoonIf a person weighs 240 pounds on Earth, what would be the difference in weight of the same person on Mars and on the Moon (based on the table and graph)?

The equation below models the height in feet, h, of a softball t seconds after it is hit by a batter.Why is the height of the ball a function of time?

What is the rate of change of the function represented by the table?xy15253545

Which is the best type of graph to model the speed of a roller coaster over the full two minutes it takes to complete the ride?