Use abs(x) for |x|. Given that f(x) = |x| and g(x) = 6x+4 , calculate: f o g (x) , g o f (x) , f o f (x) , and g o g (x) .

Answer 1

f o g (x) = abs(6x+4)

g o f (x) = 6(abs(x)) + 4

f o f (x) = abs(abs(x))

g o g (x)= 6(6x+4)+4