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Lava
@Lava
May 2019
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Bonsoir,
J’aurais besoin d’aide je ne comprends pas...
Quelqu’un pourrait me donner un coup de main SVP?
Merci d’avance
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MonsieurFirdown
Verified answer
Bonsoir
♧1.
f(7) = 7² - 3 = 49 - 3 = 46
f(-3) = (-3)²- 3 = 9 - 3 = 6
♧2. f(x) = x² - 3
♧3. Celà revient à résoudre f(x) = 22 et f(x) = -17
x² - 3 = 22
x² = 20
S = { -√20 ; √20 }
--> je te laisse faire pour f(x) = -17
Voilà ^^
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Lista de comentários
Verified answer
Bonsoir♧1.
f(7) = 7² - 3 = 49 - 3 = 46
f(-3) = (-3)²- 3 = 9 - 3 = 6
♧2. f(x) = x² - 3
♧3. Celà revient à résoudre f(x) = 22 et f(x) = -17
x² - 3 = 22
x² = 20
S = { -√20 ; √20 }
--> je te laisse faire pour f(x) = -17
Voilà ^^