Answer :

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If the question is how much does it cost for 4 lines plus a one-time advertising fee than your answer is $36.

Answer:

The domain of the function is {1,2,3,4} and the range of the function is {$23, $26, $29, $32}

Step-by-step explanation:

Consider the provided information.

A newspaper charges $3 per line for the first 4 lines plus $20 fee to advertise.

First write the function as shown.

Let l represents the number of lines and $20 fee to advertise.

Therefore the function is: [tex]f(x)=3l+20[/tex]

For l=1

[tex]f(1)=3(1)+20=23[/tex]

For l=2

[tex]f(2)=3(2)+20=26[/tex]

For l=3

[tex]f(3)=3(3)+20=29[/tex]

For l=4

[tex]f(4)=3(4)+20=32[/tex]

Hence, the domain of the function is {1,2,3,4} and the range of the function is {$23, $26, $29, $32}

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