The cost of K-12 education per student was $2200 in 1978 and increased to $10,300 in 2008. (Source: Department of Education). (a) Find a linear equation that models these data. Let C represent the cost per student and x represent the number of years after 1978.

Step-by-step explanation:

Given

Cost per student in the year 1978 is $2200

The cost increases to $10,300 in 2008

Suppose is the linear equation defining the cost per student after x years

Substitute the value for 1978

After 30 years it becomes

Thus, the linear equation becomes

b

step-by-step explanation:

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step-by-step explanation:

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