Question

Obter a inversa da função real definida por f (x)= 2X+4

Answer 1

Resposta:

f(x)=2x+4

2x+4= 0

2x= -4

x=  \frac{-4}{2}  

x= -2

Raíz = -2

Explicação passo-a-passo:

Answer 2

$\mathsf{y=2x+4}\\\mathsf{2x=4-y}\\\mathsf{x=\dfrac{4-y}{2}}$

$\huge\boxed{\boxed{\mathsf{{f}^{-1}(x)=\dfrac{4-x}{2}}}}$