AnAnimeGirl
AnAnimeGirl AnAnimeGirl
  • 30-09-2021
  • Mathematics
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help asap! i will give brainliest!

help asap i will give brainliest class=
help asap i will give brainliest class=
help asap i will give brainliest class=

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Аноним Аноним
  • 30-09-2021

#1

[tex]\\ \sf\longmapsto f(x)=5x-1[/tex]

[tex]\\ \sf\longmapsto f(0.2)=5(0.2)-1=1-1=0[/tex]

#2

[tex]\\ \sf\longmapsto f(x)=89[/tex]

[tex]\\ \sf\longmapsto 5x-1=89[/tex]

[tex]\\ \sf\longmapsto 5x=89+1=90[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{90}{5}[/tex]

[tex]\\ \sf\longmapsto x=18[/tex]

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