Answer:
the first table represents a function
Step-by-step explanation:

The formula for an arithmetic sequence is as follows:

In this formula,
represents the
th term of the sequence and
represents the common difference between each term.
Plug in the known values.

Subtract.

Multiply.

Add.

Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ;)
Using an exponential function, the median household income after 5 years was of $42,578.
<h3>What is an exponential function?</h3>
An increasing exponential function is modeled by:

In which:
- A(0) is the initial value.
- r is the growth rate, as a decimal.
For this problem, the parameters are:
A(0) = 42050, t = 5, r = 0.0025[/tex]
Hence:



More can be learned about exponential functions at brainly.com/question/25537936
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