given the explicit formula for an arithmetic sequence find the first five terms and the term named in the problem

What’s the domain of this function? fastttt

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).

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?