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telo118 [61]
3 years ago
14

Please stop and help me

Mathematics
1 answer:
Vladimir79 [104]3 years ago
4 0

Answer:

f(9)= 141

Step-by-step explanation:

f(x)=-x^{2}+5x+15

  • replace x's with 9
  • f(9)=-9^2+5(9)+15
  • solve
  • f(9)=141
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