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Given the function f defined by f(x)=4x/x^2+2, find the following values.

Given the function f defined by f(x)=4x/x^2+2, find the following values. f(-4)=

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David S. | Wise Math TutorWise Math Tutor
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f(x)=4x/x2 +2
 
f(4)=4*4/(-4)2 +2
 
=16/18
 
=8/9

Comments

The above answer is based on 4x/(x2 +2)
 
If it was (4x/x2) +2 the answer would be 1+2=3