20 Given f(x)= |x) and g(x)- , find the following expressions. (a) (f og)(4) (b) (g…

20 Given f(x)= |x) and g(x)- , find the following expressions. (a) (f og)(4) (b) (g of)(2) (c) (of) (d) (g o g)(0) (a) (f o g)( 4(Type an integer or a simplified fraction.)