Seudónimo Seudónimo

03-02-2019
Mathematics

contestada

Evaluate the expression for the given value of the variable.
∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

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03-02-2019

Answer:

Step-by-step explanation:

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03-02-2019

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

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