Subtract 1 from all parts:
And remember that when you divide or multiply by a negative number, the sign flips around.
Try finish this.
Sorry, the functions are not appearing.2)
Given two functions as:
f(x) = and g(x) =
Find fog(x) also find the domain of f, g and fog
Anyway, if f(x) = x + 1 and g(x) = 3x - 1, then
fog(x) = f(3x -1) = (3x - 1) + 1 = 3x
From there, you should have an idea of the shapes of all the three functions, and give their domain.