Question

sejamf(X)=2x+1 e g(x)=3x+1.entao f(g(3))-g(f(3))e igual a ​

Answer 1

Explicação passo-a-passo:

f(x)=2x+1

e

g(x)=3x+1

g(3)=3.3+1

g(3)=10

f(g(10))=2.10+1

f(g(10))=21

f(3)=2.3+1

f(3)=7

g(f(7))=3.7+1

g(f(7))=22

logo f(g(3))-g(f(3))=21-22=-1

resposta:-1