Dada a função afim f(x):-2x²+ 3, determine: a) f(1) b) f(0) c) f(-1/2).... Pergunta de ideia deJanaina1000000000000

Janaina1000000000000 @Janaina1000000000000

January 2020 1 8 Report

Dada a função afim f(x):-2x²+ 3, determine:

a) f(1)
b) f(0)
c) f(-1/2)

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karolinep

Verified answer

A) f(x): - 2x²+3
f(1): - 2·1²+3
f(1): -2²+3
f(1):+4+3
f(1): 7

b) f(0):- 2·0²+3
f(0): 0²+3
f(0): 0+3
f(0): 3

c)
$f( \frac{-1}{2}): -2\cdot (\frac{-1}{2})^{2}+3 \\ \\ f( \frac{-1}{2}): \frac{-2}{1} \cdot (\frac{-1}{2})^{2}+3 \\ \\ f( \frac{-1}{2}): (\frac{2}{2})^{2}+3 \\ \\ f( \frac{-1}{2}): 1^{2}+3 \\ \\ f( \frac{-1}{2}): 1+3 \\ \\ f( \frac{-1}{2}): 4$

Espero ter ajudado, qualquer dúvida comenta embaixo! :)

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