f (x)=xkuadrat-2x-8 dengan daerah asal {x|-3 lebih kecil x5
Matematika
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Pertanyaan
f (x)=xkuadrat-2x-8 dengan daerah asal {x|-3 lebih kecil x5
1 Jawaban
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1. Jawaban salehabdurrahma
F (x) =x"-2x-8
-2,-1,0,1,2,3,4
F(-2)=- 2"-2.-2-8
= 4+4-8
= (0)
F(-1)= -1"-2.-1-8
=- 1+2-8
= (-5)
F(0) = 0"-2.0-8
= (-8)
F(1) = 1"-2.1 -8
= 1-2-8
= (-9)
F(2) = 2"-2.2-8
= 4-4-8
=(-8)
F(3) =3"-2.3-8
=9-6-8
= (-5)
F(4) = 4"-2.4-8
= 16-8-8
= 0