(Giving 12 points!!)Stephanie earns $4,000 a month, plus a 10% commission on everything she sells. If during one month, she sold
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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: