KMJ2006
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Hello! Please Help Its just one simple Question ^^
Alright, I can do it on my own but it'll take extra time and I wanna catch up real quick and this alone will take me like 10 minutes and I want to save time.

Hello Please Help Its just one simple Question Alright I can do it on my own but itll take extra time and I wanna catch up real quick and this alone will take m class=

Respuesta :

[tex]\\ \sf\longmapsto f(x)=112-kx[/tex]

  • f(-3)=121

Put -3 in f(x)

[tex]\\ \sf\longmapsto f(-3)=121[/tex]

[tex]\\ \sf\longmapsto 112-k(-3)=121[/tex]

[tex]\\ \sf\longmapsto 112+3k=121[/tex]

[tex]\\ \sf\longmapsto 3k=9[/tex]

[tex]\\ \sf\longmapsto k=3[/tex]

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