What is a proportion that has means 6 and 18 and extremes 9 and 12

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

(60 points) explain this in detail