The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 40 minutes of calls is $14.80, and the remaining credit after 79 minutes of calls is $9.73. What is the remaining credit after 92 minutes of calls?
The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 40 minutes of calls is $14.80, and the remaining credit after 79 minutes of calls is $9.73. What is the remaining credit after 92 minutes of calls?
The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 40 minutes of calls is $14.80, and the remaining credit after 79 minutes of calls is $9.73. What is the remaining credit after 92 minutes of calls?
The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 40 minutes of calls is $14.80, and the remaining credit after 79 minutes of calls is $9.73. What is the remaining credit after 92 minutes of calls?
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
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