Question

sendo f(x)= 3x - 2 e g(x)= 2x + 1, calcule f(g(2)) e g(f(-1)).

Answer 1

F(x)= 3x-2 e G(x)= 2x+1
f(g(2))= 2.2+1
f(g(2))= 5
f(g(2))= 3.5-2
f(g(2))=13
.......
g(f(-1))
g(f(-1))= 3.(-1)-2
g(f(-1))= -3-2
g(f(-1))= -5
g(f(-1))= 2.(-5)+1
g(f(-1))= -10+1
g(f(-1))= -9