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Nction.
f(x) = -x² + 3x + 11
Find f(-1)

User Wakumaku
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2 Answers

2 votes
f(-1) = -(-1)^2 + 3(-1) + 11
f(-1) = 2 + -3 + 11
f(-1) = 10
User Takrishna
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4.4k points
2 votes

Answer:

f(-1) = 7

Explanation:

Hello!

You can evaluate for f(-1) by substituting -1 for x in the equation.

Evaluate f(-1)

  • f(x) = -x² + 3x + 11
  • f(-1) = -(-1)² + 3(-1) + 11
  • f(-1) = -1 -3 + 11
  • f(-1) = -4 + 11
  • f(-1) = 7

f(-1) is 7.

User Ahmet Sina Ustem
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4.5k points