OpgaveA7-4
Tegn f(x)=log(x)   (10-talslogaritmen skrives log10(x)
Tegn g(x)=10^x
Tegn f(g(x))
Tegn g(f(x)) 
Beregn f(100), g(2), f(g(100)), h(100)
Beregn f(0.1), g(-1), f(g(0.1)), h(0.1)