Respuesta :

marcthemathtutor

Answer:

D. -2b

Step-by-step explanation:

g(x)=−2(x+2)−6

given that x = b-5  ---> substitute this into the equation

g(b-5) = −2((b-5)+2)−6

= −2(b-5+2)−6

= −2(b-3)−6

= −2b-3(-2)−6

= −2b+6−6

= -2b

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