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This question already has an answer here:

dear community!

How do I make this construction work?

f[x_] := x^2 + b
Manipulate[
 Plot[
  Evaluate [f[x_]], {x, 0, 5},
  ImageSize -> Large,
  PlotRange -> All
  ],
 {{b, 0.1}, 0, 2, Appearance -> "Labeled" }
 ]

Thank you very much for detailed reply and suggested reading.

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marked as duplicate by Mr.Wizard Feb 20 '15 at 18:17

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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For example:

f[x_, b_] := x^2 + b
Manipulate[Plot[f[x, b], {x, 0, 5}, ImageSize -> Large, PlotRange -> All, AxesOrigin -> {0, 0}], 
          {{b, 0.1}, 0, 2}]

Mathematica graphics

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  • $\begingroup$ I know this question is a duplicate; in fact I think you answered the earlier one. Would you help me find it? $\endgroup$ – Mr.Wizard Feb 20 '15 at 18:16
  • $\begingroup$ I found it: (10605). Next time please search before answering. $\endgroup$ – Mr.Wizard Feb 20 '15 at 18:18
  • $\begingroup$ @Mr.Wizard O my! That was two years ago! Forgetting is a virtue too, do you know that? $\endgroup$ – Dr. belisarius Feb 20 '15 at 18:23
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    $\begingroup$ @Mr.Wizard Sometimes I just want to relax and answer simple questions. Almost always trying to do my best. Anyway, please try to forgive misbehaving children like me. $\endgroup$ – Dr. belisarius Feb 20 '15 at 18:44
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    $\begingroup$ lol -- Okay, point taken. Thanks for having a sense of humor about it. Sorry if I was rude. I feel a bit overwhelmed these days chasing duplicates. $\endgroup$ – Mr.Wizard Feb 20 '15 at 18:47

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