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Sagot :

LB101

a)  [tex]f(-2) = \frac{(-2^{3} )}{4} -(-2)^{2} +1 = 5[/tex]

   [tex]f(5) =\frac{5^{3} }{4} -5^{2}+1 = 7,25[/tex]

b) [tex]f(-1) = \frac{(-1^{3} )}{4} - (-1) + 1 = 1,75[/tex]

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