On the first swing, a pendulum swings through an arc of length 36cm. On each successive swing, the length of the arc is 90% of the previous arc. Write the first five terms of this situation. Write a function rule to model the situation. Identify what each variable represents. What is the length of the arc on the sixth swing to the nearest cm?

Answer the following  1. {(10,9), (-2, -16), (-6,7), (5,8), (8,-16), (-11,9)}Domain: ___________________________Range: ____________________________Function or Not: _____________________ 2. {(15,-3), (-6,9), (-3,0), (-1,16)}Domain: ___________________________Range: ____________________________Function or Not: _____________________ 3.{(-4,3), (5,-9), (11,4), (9,6), (5,-3), (8,-9), (1,4)}Domain: ___________________________Range: ____________________________Function or Not: _____________________ 4. {(6,0),(-12,-16),(-6,10),(20,-7)} Domain: ___________________________Range: ____________________________Function or Not: _____________________

mile due west of a street intersection. Another car is located 8. mile 4. A police car is at rest and is located north of the intersection and is traveling at a speed of 40 miles per hour (mph) due south toward the intersection. At that instant, the radar in the police car records the rate at which the distance between the two cars is changing. What speed is recorded by the radar? 35.8 mph 38.8 mph 41.2 mph 44.2 mph 53.7 mph 0 0

A car is initially located 40 km North of a truck. The car then begins to travel North at 20 km/h, while at the same time, the truck travels due West at 30 km/h. After travelling for 2 hours , the distance between the two vehicles is 11. A. decreasing at 26 km/h B. increasing at 26 km/h C. decreasing at 34 km/h D. increasing at 34 km/h