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delgado1996

  • 3 years ago

If f(x) = x + 2, find f(3).

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  1. MathSofiya
    • 3 years ago
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    \[f(x)=x+2\] \[f(3)=...+2\]

  2. UnkleRhaukus
    • 3 years ago
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    \[f(x) = (x) + 2\]\[f(3) = (3) + 2\]

  3. MathSofiya
    • 3 years ago
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    does it make sense?

  4. delgado1996
    • 3 years ago
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    not really ?

  5. MathSofiya
    • 3 years ago
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    \[x\] can be any number and in this specific problem we want \[x\] to equal 3

  6. MathSofiya
    • 3 years ago
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    what if x was 1 @delgado1996 what would you do then?

  7. delgado1996
    • 3 years ago
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    is it 1

  8. MathSofiya
    • 3 years ago
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    \[f(x)= x+2\] \[f(3)= 3+2=5\] \[f(2)= 2+2=4\] \[f(1)= 1+2=3\]

  9. UnkleRhaukus
    • 3 years ago
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    |dw:1341372312771:dw|

  10. MathSofiya
    • 3 years ago
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    when the problem says f(3) it wants you to replace every x with the number 3 if the problem says f(2) it wants you to replace every x with the number 2

  11. delgado1996
    • 3 years ago
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    5

  12. MathSofiya
    • 3 years ago
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    |dw:1341372556697:dw|

  13. UnkleRhaukus
    • 3 years ago
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    x+2 =3+2

  14. delgado1996
    • 3 years ago
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    6

  15. delgado1996
    • 3 years ago
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    ?

  16. MathSofiya
    • 3 years ago
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    sorry I meant to write 3+2=5

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