emilyisanemoji emilyisanemoji

29-11-2017
Mathematics

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f(x)= -4x - 7, find...

a) f(3) b) f(-7)

Respuesta :

choixongdong choixongdong

29-11-2017

F(x)= -4x - 7
a) f(3) = -4(3) - 7 = -12 -7 = -19
b) f(-7) = -4(-7) - 7 = 28 -7 = 21

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