In a recent survey, it was found that the median income of families in country a was $57,400. what is the probability that a randomly selected family has an income greater than $57,400

The median is the income that is in the MIDDLE of the numbers when listed from least to greatest. This means that around half of the country (or less) would receive a higher income then $57,400.

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answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be