dvzedvibes
dvzedvibes dvzedvibes
  • 08-03-2017
  • Mathematics
contestada

Evaluate ƒ(x) = –2x2 – 4 for x = 3.

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maryms1126
maryms1126 maryms1126
  • 08-03-2017
You have to substitute the x value with 3, so your new equation is f(3) = -2(3)^2 - 4. Your answer is -22. :) 
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PiaDeveau PiaDeveau
  • 05-07-2019

Answer:

f(2) = -22.

Step-by-step explanation:

Given : ƒ(x) = –2x² – 4 for x = 3.

To find : Evaluate.

Solution :We have given

ƒ(x) = –2x² – 4 .

For x = 3.

f(2) =  –2 (3)² – 4 .

f(2) = -2 ( 9) - 4 .

f(2) = -18 - 4 .

f(2) = -22.

Therefore, f(2) = -22.

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