9) With the help of scientists, farmers in Cameroon have been able to produce more and more grain per hectare each year. Here are the crop yields for several years: The crop yield can be described by the equation y = 30.6x - 59500 where x is the year and y is the grain yield in kilograms per hectare (kg/ha). Year Yield (kg/hectare) 2400- 1963 630 2000 1967 706 1600 1980 740 1993 1,150 1200 2000 1,630 800 2006 2,060 1960 1980 2000 2020 Year a) What does the y-intercept of this function represent? b) According to the model, what was the crop yield in 1974? Round your answer to the nearest whole number. Yield (kg/hectare)
9) With the help of scientists, farmers in Cameroon have been able to produce more and more grain per hectare each year. Here are the crop yields for several years: The crop yield can be described by the equation y = 30.6x - 59500 where x is the year and y is the grain yield in kilograms per hectare (kg/ha). Year Yield (kg/hectare) 2400- 1963 630 2000 1967 706 1600 1980 740 1993 1,150 1200 2000 1,630 800 2006 2,060 1960 1980 2000 2020 Year a) What does the y-intercept of this function represent? b) According to the model, what was the crop yield in 1974? Round your answer to the nearest whole number. Yield (kg/hectare)
Chapter4: Linear Functions
Section4.3: Fitting Linear Models To Data
Problem 24SE: Table 6 shows the year and the number ofpeople unemployed in a particular city for several years....
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Transcribed Image Text:9) With the help of scientists, farmers in
Cameroon have been able to produce more
and more grain per hectare each year. Here
are the crop yields for several years:
The crop yield can be described by the
equation y = 30.6x- 59500 where x is the
year and y is the grain yield in kilograms
per hectare (kg/ha).
%3D
Year Yield (kg/hectare)
2400
1963
630
2000
1967
706
1600
1980
740
1993
1,150
1200
2000
1,630
S00
2006
2,060
1960
1980
2000
2020
Year
a) What does the y-intercept of this function represent?
b) According to the model, what was the crop yield in 1974? Round your answer to the nearest
whole number.
Yield (kg/hectare)
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