Using it's concept, the domain of the function represented by the graph is all real numbers.
<h3>What is the domain of a function?</h3>
The domain of a function is the set that contains all possible input values for the function.
In this problem, a parabola is used, which has no restriction such as an even root or a fraction, hence the domain is all real values.
More can be learned about the domain of a function at brainly.com/question/10891721
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Answer:
Step-by-step explanation:
7 songs at $1.99 each= 13.93
30-13.93= 16.07
16.07 + 10= 26.07
4 songs for $7.99= 31.96
26.07- 31.96= -5.89
so his pay check was $5.89