taulbeejo taulbeejo
  • 12-06-2017
  • Mathematics
contestada

Let f(x) = x2 − 8x + 5. Find f(−1

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Floki22
Floki22 Floki22
  • 12-06-2017
f(x) = x² - 8x + 5

x = -1

f(-1) = (-1)² - 8(-1) + 5

f(-1) = 1 - (-8) + 5

f(-1) = 1 + 8 + 5

f(-1) = 14
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JonHenderson55
JonHenderson55 JonHenderson55
  • 12-06-2017
The answer is:  " 14 " .
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Given:  Let f(x) = x² − 8x + 5. Find f(−1).

f(−1) = (-1)² − 8(-1) + 5 = 1 − (-8) + 5 = 1 + 8 + 5 = 14.
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Answer Link

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