15.Takoda and his sister Talula are hoop dancers. In part of a dance, they spin hoops about their arms. Each of the following graphs indicates the height of a point on a hoop, measured from the ground, that Takoda or Talula is spinning vertically. Time (s) Hoop 2 s T 2 ,.__,VAM__._';.. nl o 0" 65 10 15 20 25 30 Time (s) Hoop 3 8 o R 6 4 T 2 05 10 15 20 25 30 Time (s) Hoop dancers form shapes using hoops to tell stories in their dances. The hoop dance, or some form of it, has existed among First Nations across North America for hundreds of years. The modern form of hoop dancing came into being in the 1930s. Hoop dance competitions are often part of Pow Wows. Modemn hoop dances contain spectacular moves and shapes, and are performed by both men and women. a. What does the amplitude represent? b. Which hoop is the smallest? c. Which hoop is being spun at the slowest rate? Which is being spun at the fastest rate? d. Which hoop do you think the shorter person is spinning? Explain