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Mathematics 10 Online
OpenStudy (anonymous):

A company builds computers. It costs $6,700 to build 10 computers and $12,200 to build 20 computers. Which equation models the cost, C(x), as a linear function of the number of computers built, x?

OpenStudy (ivettef365):

you have 2 points (10,6700) and (20,12200) can you find the slope

OpenStudy (ivettef365):

then use formula y = mx + b to find b, using one of the points I got the equation C(x) = 550x + 1200

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