Domain and Range

Oct 2019
42
1
united states
grafica.gif I pretty confuse about the domain and range I think is (-infinity, -3) U (-3, +infinity). for the domain and I don't know how to calculate the range. please someone help me
 

Plato

MHF Helper
Aug 2006
22,490
8,653
View attachment 39725 I pretty confuse about the domain and range I think is (-infinity, -3) U (-3, +infinity). for the domain and I don't know how to calculate the range. please someone help me
The domain is \(\displaystyle (-\infty,-3)\cup [3,\infty)\) now that is different from what you posted is only one symbol. What is it and why?
Hint: \(\displaystyle \circ\text{ as oppose to } \bullet\)
You post the range.
 
Oct 2019
42
1
united states
Ohh, that's why I keep getting wrong the question. Thank you, Plato.
 
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