dados f(x)=3x+1 g(x)=x-3 determine: b) g(f(5)) c)fog(3) d)fofoF(2)
f(x)=3x+1 => f(5)= 3(5)+1=15+1=16 =>f(5)=16 g(x)=x-3 =>g(16)= 16-3=13 =>g(16)=13 b) g(f(5))= 13
f(x)=3x+1 => f(0)=3(0)+1 => f(0)=1 g(x)=x-3 =>g(3)=3-3 => g(3)=0 fog(3)...=f(g(3))=1 c)fog(3)...
