describe the relationship shown in each graph. a) mary’s earnings at american eagle when the hours...
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![Page 1: Describe the relationship shown in each graph. a) Mary’s Earnings at American Eagle When the hours increase, the Earnings increase by a constant amount](https://reader030.vdocuments.site/reader030/viewer/2022032803/56649e3f5503460f94b30492/html5/thumbnails/1.jpg)
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Describe the relationship shown in each graph.
a) Mary’s Earnings at American Eagle When the hours increase,
the Earnings increase by a constant amount making the graph linear.
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b)
The amount of money in the bank increases over time. At first quite slowly and then faster and faster.
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c) Temperature of a Cooling cup of Hot Chocolate
The vertical distance between points is decreasing . The temperature is decreasing as time passes. At first rapidly and then levelling off at room temperature
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d)
The vertical distances between pairs of vertical points with equal horizontal distances is decreasing and then increasing. As fertilizer use increases, the crop yield increases, reaches a maximum and then decreases.
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1975-1980– The births stay fairly constant.1980-1990 – The births are increasing, slowly at first and then more rapidly.1990-2000 – The number of births is decreasing rapidly2000-1005 – The number of births is increasing slowly.
Break the Graph into sections with different trends:1945-1960 – The graph is increasing over time quite rapidly. There is a maximum at year 1960.
1960-1975– The graph is decreasing rapidly at first and then slowly and then more rapidly again.
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Use the graph to predict the number of Canadians in each age group:
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First, extend your graph to include the years needed using the trends.
Under the Age of 15:
Age 60 and over:
Age 80 and over:
About 5.8 million
About 5.7 million
About 1 million
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What decisions might the Canadian Government make in response to the trends in the graph?
The trends indicate that a declining number of younger Canadians will have to support an increasing number of older Canadians. Therefore governments may:Increase immigration levels to prevent labour shortagesIncrease retirement ageStrengthen health care and social security for older Canadians