24-01-2017
Mathematics

contestada

What is f(x)=2x^2+3x+7 is x=-5

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Apocrophon Apocrophon

24-01-2017

f(-5) = 2(-5)² + 3(-5) + 7
f(-5) = 2(25) - 15 + 7
f(-5) = 50 - 8
f(-5) = 42

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