imyosgamer imyosgamer
  • 27-09-2021
  • Mathematics
contestada

Well shouldn't be too hard to answer but its just sequences

Well shouldnt be too hard to answer but its just sequences class=

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Аноним Аноним
  • 27-09-2021

[tex]\\ \sf\longmapsto f(n)=(-5)f(n-1)+15[/tex]

Here

[tex]\\ \sf\longmapsto D_f=(0,\infty)[/tex]

[tex]\\ \sf\longmapsto f(1)=3[/tex]

[tex]\\ \sf\longmapsto f(2)=(-5)f(1)+15=(-5)(3)+15=-15+15=0[/tex]

[tex]\\ \sf\longmapsto f(3)=(-5)(0)+15=0+15=15[/tex]

[tex]\\ \sf\longmapsto f(4)=(-5)(15)+15=-75+15=-60[/tex]

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