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Consider the function g(x)=3, find g(2).

 Jan 30, 2019
 #1
avatar+111328 
+2

Yep...confusing !!!

 

Note that   g(x) = 3    can be considered  as the line  y = 3

 

So....note that   any x value on this line will have the associated y value of 3

 

So.....for example.....the points  (-1, 3)  (0, 3)  (1, 3) ( 2, 3)  (3, 3) etc. are all on the line

 

So   g(2)  is really the  point (2, 3)

 

So  g(2)  =  3

 

Hope that makes some sense  !!!

 

 

cool cool cool

 Jan 30, 2019
 #2
avatar+111328 
+2

Another way to see this is to write  g(x) in a slightly different manner....

 

g(x) = 3x^0

 

So

 

g(2) =

 

3 (2)^0 =  

 

3   ..... !!!

 

cool coolcool

 Jan 30, 2019

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