What is the order of rotation symmetry of these shapes?

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2