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Answer:
7
Step-by-step explanation:
You just know when u got it
An equation that shows the dependence of
on
is
and the domain of the function is
.
Total number of cents
.
She bought
pencils for
cents each.
Let
equals the number of cents left.
So,
.
Here
must be positive
So,

Domain of a function is the set of values for which the function is defined.
So,
can get values from
to
.
Therefore, the domain is:
.
Learn more about domain here:
brainly.com/question/17440903?referrer=searchResults