Is it Function or not function

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).