Question

The graph shows the number of hours per day spent on social media by a group of teenagers and the number of hours per day spent exercising. A line of best fit for the data is shown.
Use the graph to determine how many hours a teenager would spend exercising in one day if they spent 0.25 hours on social media.


Use the graph to determine how many hours a teenager would spend exercising in one day if they spent 1.38 hours on social media.


Do you think the predictions from part (a) and part (b) are reliable? Explain your reasoning.​

Answer 1

(a) 0.9 hours will be spent on exercising.

(b) 0 hours

(c)The predictions are reliable because the graph shows that increase in number of hours spent on social media leads to a decrease the number of hours spent in exercising.

Step-by-step explanation:

Using the graph,if 0.25 hours are spent on social media, 0.9 hours will be spent on exercising.

If 0.38 hours are spent on social media, the teenager will spend 0 hours exercising. This is because the teenager will have no time to exercise when 1.35 hours or more are spent on social media.

The predictions are reliable because the graph shows that increase in number of hours spent on social media leads to a decrease the number of hours spent in exercising.

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Graph interpretation :brainly.com/question/11624428

Keywords : prediction, reliable, reasoning

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