Domain and Range of a Function | General Mathematics

General Mathematics
Domain and Range of a Function
The domain is the set of all possible x-values which will make the function "work", and will output real y-values.
When finding the domain, remember:
1. The denominator (bottom) of a fraction cannot be zero
2. The number under a square root sign must be positive in this section
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Hi sir ask lang po pag hinahanap po yung Domain and Range, bakit po y yung ineequate for Domain and x for Range? Diba dapat po x is for Domaine then y for Range???

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Hello sir, magmu-multiply ka lng ba ng -1 pag ang y or x values? And division nmn kapag positive yung values?

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Maraming salamat po!

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Congrats! Dahil sayo yun Eilyn 💚

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Ask ko lang po, bakit po sa second example ay nasa harap ng 4 ung Y? Hindi po ba sya after ng 4?

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sir pano pag 3x-9xy=1 instead of 3y-9xy=1

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Hello po Prof D, pano naman po yung 1.) y=|x| at 2.) xy=1

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Galing mag turo best of luck sainyo sir!

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Sir what if ganito ang x²+y-4=0

[@gregoryharlston0602]

Quick question: Why did you start by explaining domain & range in terms of a graph, but you then explained finding the domain & range algebraically? If you had coupled graphing with the algebraic method, it would have been even MORE effective. Sometimes, it's easier to see the domain & range and where the domain & range break down. Just a suggestion.

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Thank you sir Gregory for you suggestion

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Oo nga sir bat nauna yung grapH medyo nalito ako untii

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Svp si vous pouvez expliquer aussi en Français sa nous ferons du bien pour pouvoir améliorer aussi dans MATH.

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Magrereview dapat ako eh parang suko na ako pangalawang topic palang, LITONG LITO NA AKOOOOOO😭😭😭

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Help po, hindi ko parin gets ano ibigsabihin ng solving x in terms of y and vice versa. Paano po nakuha yung domain sa pag solve ng y? Ang pag intindi ko ay dapat x ang i-solve para sa domain? Huhu sorry po nabobobo ako

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prof d pano nmn po kung idedetermine muna ang function before finding the domain and range??
sana po manotice poo thank you po!!!

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Kuya D bakit po naging { x|x€R } ang mga sagot dyan. Hindi ko po talaga maintindihan kung bakit yan ang sagot😥. Sana po ma explain nyo po ito at makita nyo din ang comment ko😥

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Sir i have questions what if 3y+xy=2x+1what the domain and range?pliss pa help po... thanks

[@synx9129]

D = { x | x ≠ -3 }
R = { y | y ≠ -2 } or R = { y | y ≥ -2 }
'di ko alam kung tama ba yan 😭 g 10 pa lang ako, inapply ko lang yung natutuhan ko sa video 😭 paki inform po ako kung ano yung tamang sagot para maevaluate ko 😭 salamat!

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Yung domain and range ba is Kasama sa basic concepts of functions?? Pls answer huhu😭😭

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What are the basic concepts of functions?

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Excuse me prof d
What if
y²=x² +3x -9?

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