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asked Mar 9, 2023 16.9k views

3 votes

Can you help me out?

Mathematics
college

Klemens Morgenstern asked

by Klemens Morgenstern

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1 Answer

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1) Unanswered (Sorry)

2) Find the cost of a four-line ad

$x = 4 \\Therefore,\\c(4) = 30$

3) Find the cost of a ten-line ad

$x = 10\\Therefore,\\c(10) = 30 + 5(x - 4)\\c(10) = 30 + 5x - 5(4)\\c(10) = 30 + 5x - 20\\c(10) = 30 + 5(10) - 20\\c(10) = 30 + 50 - 20\\c(10) = 60$

Breadtruck answered Mar 13, 2023

by Breadtruck

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