Observa las siguientes tablas y analiza los valores que contienen. Después, plantea un problema que pueda resolverse con esos datos, también argumenta por qué una tabla corresponde a la variación lineal y la otra a la variación de proporcionalidad directa.​

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

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answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

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47

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