Question

< The table shows data from 1975 and projections to 2050 of the number of millions of people age 15 to 59 in a country. Complete parts (a) and (b) below. Year 1980 1985 Labor Pool Year (millions) 1975 480 2005 2010 2015 2020 2025 550 650 1990 730 1995 750 2000 800 2030 y=x²+x+ (Type integers or decimals rounded to three decimal places as needed.) Labor Pool (millions) 865 910 Clear all Labor Pool C (millions) 840 a. What is the quadratic function that best models this population as a function of the number of years after 1970? Let x represent the number of years after 1970 and y represent the number of millions of people in this labor pool. Year 2035 2040 820 920 2045 800 920 2050 680 915 875

asked Aug 2, 2024 58.4k views

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The table shows data from 1975 and projections to 2050 of the number of millions of people age 15 to 59 in a country.
Complete parts (a) and (b) below.
Year
1980
1985
Labor Pool
Year
(millions)
1975 480 2005
2010
2015
2020
2025
550
650
1990
730
1995
750
2000
800
2030
y=x²+x+
(Type integers or decimals rounded to three decimal places as needed.)
Labor Pool
(millions)
865
910
Clear all
Labor Pool C
(millions)
840
a. What is the quadratic function that best models this population as a function of the number of years after 1970? Let x represent the number of years after 1970 and y represent the number of
millions of people in this labor pool.
Year
2035
2040
820
920 2045 800
920 2050 680
915
875