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A track runner is eager to see if practicing helps her improve. She has plotted data on her weekly 100-meter dash times (s) as well as the number of hours spent practicing during the previous week (h). Which of the following is most likely to be the equation of this trend line?

s = 1/5h = 20

s = -1/5h + 20

h = 1/5s + 20

h = -1/5s + 20

A track runner is eager to see if practicing helps her improve She has plotted data on her weekly 100meter dash times s as well as the number of hours spent pr class=

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BasketballEinstein

Answer:

[tex]\displaystyle s = -\frac{1}{5}h + 20[/tex]

Step-by-step explanation:

Time is the dependent variable, so you set your function equal to s. Then, the correlation of the graph has a [tex]\displaystyle -\frac{1}{5}[/tex]rate of change [slope] from the y-intercept of [tex]\displaystyle [0, 20],[/tex]so we choose this answer choice.

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