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find f(3) if F(x) = 2x+4

Guest Apr 7, 2015

Best Answer 

 #1
avatar+80941 
+5

This says to put " 3"  into 2x + 4 and then evaluate

So

2(3)  + 4  =

6 + 4  =

10

'x'  can be thought of as a "box" that contains some number.....in this case, the number is 3......!!!

 

  

CPhill  Apr 7, 2015
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1+0 Answers

 #1
avatar+80941 
+5
Best Answer

This says to put " 3"  into 2x + 4 and then evaluate

So

2(3)  + 4  =

6 + 4  =

10

'x'  can be thought of as a "box" that contains some number.....in this case, the number is 3......!!!

 

  

CPhill  Apr 7, 2015

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