tentukan f(x) jika : F(x+3)=6-5x F(2x-7)=4x-3 F(2-x)=x²-10
Matematika
tryulianii
Pertanyaan
tentukan f(x) jika :
F(x+3)=6-5x
F(2x-7)=4x-3
F(2-x)=x²-10
F(x+3)=6-5x
F(2x-7)=4x-3
F(2-x)=x²-10
1 Jawaban
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1. Jawaban evawidiyastuti
F(x+3)=6-5x
=6-5(x+5)
=-5x-9
F(2x-7)=4x-3
=4(2x-3)
=8x-28
F(2-x)=x²-10
=(2-x)(2-x)-10
= 4-2x-2x+x^2-10
=-3x^2-6