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17-10-2021
Mathematics

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Let p(y)=2y³-5y²-8y+14,find p(2)+p(-2)

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Аноним Аноним

17-10-2021

Answer:

Step-by-step explanation:

p(2) + p(-2) = 2(2)³ - 5(2)² - 8(2) + 14 + 2(-2)³ - 5(-2)² - 8(-2) + 14

p(2) + p(-2) = 16 - 20 - 16 + 14 - 16 - 20 + 16 + 14

p(2) + p(-2) = -12

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