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31 votes
31 votes
Ƒ(x) = −3x² – 20
Find f(-9)

User AgeDeO
by
2.6k points

1 Answer

13 votes
13 votes

Answer:

f(-9) = -263

Explanation:

Hello!

To evaluate the function for f(-9), we simply replace -9 for x in the equation.

Evalute f(-9):


  • f(x) = -3x^2 - 20

  • f(-9) = -3(-9)^2 - 20

  • f(-9) = -3(81) - 20

  • f(-9) = -243 - 20

  • f(-9) = -263

The value of f(-9) is -263.

User Engel
by
2.6k points
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