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swat32
3 years ago
12

Hello! Please Help Its just one simple Question ^^

Mathematics
1 answer:
Flura [38]3 years ago
4 0

\\ \sf\longmapsto f(x)=112-kx

  • f(-3)=121

Put -3 in f(x)

\\ \sf\longmapsto f(-3)=121

\\ \sf\longmapsto 112-k(-3)=121

\\ \sf\longmapsto 112+3k=121

\\ \sf\longmapsto 3k=9

\\ \sf\longmapsto k=3

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