ktdelong04 ktdelong04

28-08-2019
Mathematics

contestada

−2x^3 − 2x^2 − 4x − 2 for x = −2.

A 14
B 16
C -2
D -18

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jimrgrant1 jimrgrant1

28-08-2019

Answer:

A

Step-by-step explanation:

Substitute x = - 2 into the expression and evaluate, that is

- 2(- 2)³ - 2(- 2)² - 4(- 2) - 2

= (- 2 × - 8) - (2 × 4) + 8 - 2

= 16 - 8 + 8 - 2

= 14 → A

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