SOLUTION: Evaluate the function f(x) = -x^2 + 5 for x = 4

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Question 408760: Evaluate the function f(x) = -x^2 + 5 for x = 4
Found 3 solutions by rfer, stanbon, jim_thompson5910:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
f(4)=-4^2+5
f(4)=16+5
f(4)=21

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the function f(x) = -x^2 + 5 for x = 4
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f(4) = -4^2+5 = -16+5 = -11
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Cheers,
Stan H.
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Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=-x%5E2+%2B+5 Start with the given equation.


f%284%29=-%284%29%5E2+%2B+5 Plug in x=4.


f%284%29=-1%2816%29%2B5 Square 4 to get 16.


f%284%29=-16%2B5 Multiply -1 and 16 to get -16.


f%284%29=-11 Combine like terms.


So the solution is f%284%29=-11


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