Seudónimo Seudónimo

06-08-2017
Mathematics

contestada

Find f(-5), if f(x) = -x^2 - 2x+1

Respuesta :

06-08-2017

Simple as subbin' in -5 for x.
f(-5) = -(-5)² - 2(-5) + 1
= -25 + 10 + 1
= -14

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QueenArix QueenArix

06-08-2017

f(x) = -x² - 2x + 1

f(-5) = -(-5)² - 2(-5) + 1

f(-5) = -25 + 10 + 1

f(-5) = -15 + 1

f(-5) = -14

-14 <----- answer

Answer Link

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