Move down c units means minus 2 from whole function
f(x) moved down 2 units means f(x)-2
so
f(x)-2=2x²-8-2
f(x)-2=2x²-10
g(x)=2x²-10

×

=

You then divide the numerator(top) by the denominator(bottom)

=

Your answer is
Wait i will tell you soon dont worry, im out now sorryy ^.^