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16 December, 04:32

For several years, Graham has gathered data on students who own a computer and on their performance on a typing-speed test. He creates the linear model y = 3.8x + 17.4 where y represents the typing speed, in words per minute, of a student and x represents the number of years the student has owned a computer. According to Graham's model, what is the approximate speed of a student who has owned a computer for three years?

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  1. 16 December, 05:48
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    Y=3.8 (3) + 17.4. Y=11.4+17.4 Y=28.8
  2. 16 December, 06:50
    0
    Just took the quiz, its B.

    29 words/min
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