Respuesta :
Answer:
-11
Step-by-step explanation:
let A = ∣-4b-8∣+∣-1-b² ∣+2b^3
if b = -2 : A = ∣-4(-2)-8∣+∣-1-(-2)² ∣+2(-2)^3
A = ∣8-8∣ + ∣-1-4 ∣ + 2(-8)
A = 0 + ∣-5 ∣ -16 = 5 -16 = -11
Answer:
-11
Step-by-step explanation:
let A = ∣-4b-8∣+∣-1-b² ∣+2b^3
if b = -2 : A = ∣-4(-2)-8∣+∣-1-(-2)² ∣+2(-2)^3
A = ∣8-8∣ + ∣-1-4 ∣ + 2(-8)
A = 0 + ∣-5 ∣ -16 = 5 -16 = -11