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y=x^2-2/x+4

function y=x^2-2/x+4, calculate the value of y  following values of x

Comments

Gloria, you have to use parentheses to avoid double reading.

If

         x^2 - 2
y  =  ----------  ,
          x + 4

then

y = (x^2 - 2) / (x + 4)

And what are value of "x" ?
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1 Answer

 Following which values of X:
 
     say   X = 5
 
       Y = (52 -2) / ( 5 +4) = 23/9
 
       X = -3
 
         Y = ( 9 - 2) / ( -3 + 4 ) = 7