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derbraz4588
26.08.2019 •
Mathematics
What is the domain of f(x) = ³√x ? a). all real numbers b). positive numbers and zero c). all integers d). whole numbers
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Ответ:
A
Step-by-step explanation:
Domain is the ALLOWED
values in a function.
Does plugging in any positive number pose a problem with getting an answer?No.
Does plugging in 0 pose any problem?No.
Does plugging in negative numbers pose any problem?No. Square root of negative numbers are not possible BUT cube root of negative numbers ARE possible.
Also, from the attached snapshot of the graph of
, we can see that ALL real numbers are allowed for ![x](/tpl/images/0200/0977/a0e3f.png)
Ответ:
(I'm guessing you meant how many books did she place on all 155 shelves?)