F(x)= -4.
Just plug in -1 for your x in 2x-2 and solve like a normal equation. Think of f(x) a your y because that's basically what it is. If it helps, the equation is basically:
y=2x-2 so you would just solve for y by plugging in -1 into x.
A country's income distribution is the <em>distribution of total GDP among the total population</em>
<em>hope it helps</em>
Divide across and just bring down the numbers
