Holu
x € [ -5 ; 2 ]
F(x) = 2x+9
________
F(-5) = 2(-5)+9
F(-5) = -1 cerrado
F(2) = 2(2)+9
F(2) = 13 cerrado
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Holu
x € [ -5 ; 2 ]
F(x) = 2x+9
________
F(-5) = 2(-5)+9
F(-5) = -1 cerrado
________
F(2) = 2(2)+9
F(2) = 13 cerrado
Respuesta → [-1 ; 13 ]