Total 18. The price of one games console is x times the price of another.
When both prices are increased by £40, their prices are in the ratio 7: 3.
When both prices are decreased by £40, their prices are in the ratio 5: 1.
Find x.

What is x

4

step-by-step explanation:

answer: the first graph

step-by-step explanation:

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2