You have the figurew ABC with the following vertices:
A(-2,-4)
B(0,-1)
C(2,-4)
First, multiply all points by 2 (this is the first transformation)
A => A'(-4,-8)
B => B'(0,-2)
C => C'(4,-8)
Next, translate the previous points 6 units upward (which means add 6 units to each y-coordinate).
A' => X(-4,-2)
B' => Y(0,4)
C' => Z(4,-2)
as you can notice, with the previous transformation you obtain the vertices X, Y, and Z and form the figure XYZ.