Seudónimo Seudónimo
  • 15-02-2021
  • Mathematics
contestada

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Аноним Аноним
  • 15-02-2021

Answer:

Step-by-step explanation:

f(-3)=-(-3)²+7(-3)-13

     =-9-21-13

     =-43

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irspow
irspow irspow
  • 15-02-2021

Answer:

Step-by-step explanation:

[tex]f(x)=-x^2+7x-13\\ \\ f(-3)=-(-3)^2+7(-3)-13\\ \\ f(-3)=-(9)-21-13\\ \\ f(-3)=-43[/tex]

Answer Link

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