gabbyalicorn
  • gabbyalicorn
I have no clue about this one Which functions are increasing? Choose all answers that are correct.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Could you attack a picture?
gabbyalicorn
  • gabbyalicorn
I think one of the answer choices are D but thats all I know
Owlcoffee
  • Owlcoffee
Increase or decrease of a function is defined as: \[f-inc: (a,b) \cup (f(a),f(b)) \iff \forall x \in (a,b) \cup (f(a),f(b)) \rightarrow f(a)f(x)>f(b)\] This means that you can recognize a function as "increasing", for example, if for any point you choose inside an interval, you will find a point whose image is actually higher on the right side of the chosen point.

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Michele_Laino
  • Michele_Laino
hint: a function \(f(x)\) is an incresing function, if when \(x\) increases also \( f(x)\) inceases
Michele_Laino
  • Michele_Laino
increasing*
Michele_Laino
  • Michele_Laino
oops.. another typo: increases*
gabbyalicorn
  • gabbyalicorn
:/ what does x represent> The graph? or just the x axis?
Michele_Laino
  • Michele_Laino
\(x\) represents the independent variable, namely the variable along the horizontal axis
Michele_Laino
  • Michele_Laino
I think that option D is correct
gabbyalicorn
  • gabbyalicorn
Is the options A & B correct also?
Michele_Laino
  • Michele_Laino
I think that only option B is correct, and option A represents a decreasing function
Michele_Laino
  • Michele_Laino
so, options B and D are the right options
gabbyalicorn
  • gabbyalicorn
Okay, thanks so much! ^-^
Michele_Laino
  • Michele_Laino
:)

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