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# Could you please help me to state the domain ?

f(x) = 2x + 3 if x< 4

x^2 - 1 if 4 less than or equal to x is less than or equal to 10

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- Mathy KathyLv 51 decade agoFavorite Answer
Well, the domain is all the things x can be equal to to make the function true, so if you are given x<4, that's your domain; Df {x|x<4}

For the second one it says 4<or=x<=10, so D {x|4<=x<=10}

wpf.

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