paolaley564 paolaley564
  • 11-02-2021
  • Mathematics
contestada

If f(x) = 3x - 7, find f(-1)

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Zaner125 Zaner125
  • 11-02-2021
-1 = 3x - 7
Add +7 to each side
6 = 3x
Divide each side by 3
X = 2


f(-1) = 3 * 2 - 7
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