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Given f (x) = -4x - 5, find f ( -4 )

User Anschoewe
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2 Answers

4 votes
x= -4 therefore
-4 x -4 = 16
16-5=11
Ans=11
User Kahiem
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8.2k points
5 votes

Answer: f(-4) = 11

Explanation:

In order to evaluate this function, I am going to plug in -4 for x:


\sf{f(x)=-4x-5}


\sf{f(-4)=-4(-4)-5}


\sf{f(-4)=16-5}


\sf{f(-4)=11}

Therefore, f(-4) = 11.

User Jcvandan
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