## anonymous one year ago what is the difference between f(2) and f(x)=2

1. Loser66

If \(f(x) = 2x\), then \(f(1) =2\), and \(f(2) =4\) \(f(x) =2\) is a constant function, that is f(x)= 2 for aaaaaaaaaalllll x. In this case f(x) = f(2) = f(3) =f(......) |dw:1433899206471:dw|

2. Loser66

|dw:1433899292958:dw|

3. anonymous

how would it apply to an equation like 1+2x

4. Loser66

|dw:1433899360324:dw|

5. Loser66

find f(2) ??

6. Loser66

|dw:1433899421617:dw|

7. Loser66

|dw:1433899453713:dw|

8. triciaal

f(2) means the value of x is 2. when you see x replace with 2 compute and you will get the value of the function f(x) = 2 means the value of the function is 2

9. anonymous

ok so, if I have f(2); 1+2x and x=2, I plug 2 into x and simplify. But what do I do when I have f(x)=2 and 1+2x

10. triciaal

when f(x) = 2 then 1 + 2x = 2 solve for x

11. anonymous

so subtract 1 on both sides and divide by 2?

12. triciaal

yes

13. anonymous

ok thx, love u

14. triciaal

welcome

15. anonymous

u dont love me back?

16. triciaal

sorry, love you too

17. anonymous

ok just checking babe, have a good day