You want to buy a video game that costs $129.96. Estimate the total cost if the sales tax rate is 7%.
1 answer:
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Answer:
C. Domain: {}, Range: all real numbers;No, it is not a function
Step-by-step explanation:
From the diagram in the attachment, the domain is {}.
The reason is that, the furthest the graph could extend is 8 to the right and left of the y-axis.
The range of the relation is all real numbers. The reason is that, the graph extends up above and below the x-axis without bounds.
The relation is not a function, because its graph failed the vertical line test.
See graph
The correct answer is C.
