Calculus for Business Economics & the Social & Life by Gerald_Bradley

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One species of large mammal has twice the average mass as a second species. If a particular reserve contains 100 animals of the larger species, how many animals of the smaller species would you expect to find there? 73. CONSUMER DEMAND An importer of Brazilian coffee estimates that local consumers 4,374 will buy approximately Q( p) ϭ kilograms p2 of the coffee per week when the price is p dollars per kilogram. 2t ϩ 12 dollars per kilogram. a. Express the weekly demand (kilograms sold) for the coffee as a function of t.

B. Compare the VEI for the year 2000 for the four different educational levels requiring at least a high school diploma. Interpret your results. 81. 3 gives the average income in constant (inflation-adjusted) 2002 dollars by educational attainment for persons at least 18 years old for the decade 1991–2000. 2 Average Annual Total Fixed Costs of Education (Tuition, Fees, Room and Board) by Institutional Type in Constant (Inflation-Adjusted) 2002 Dollars Sector/Year 87-88 88-89 89-90 90-91 91-92 92-93 93-94 94-95 95-96 96-97 97-98 98-99 99-00 00-01 01-02 02-03 2-yr public 1,112 1,190 1,203 1,283 1,476 1,395 1,478 1,517 1,631 1,673 1,701 1,699 1,707 1,752 1,767 1,914 2-yr private 10,640 11,159 10,929 11,012 11,039 11,480 12,130 12,137 12,267 12,328 12,853 13,052 13,088 13,213 13,375 14,202 4-yr public 6,382 6,417 6,476 6,547 6,925 7,150 7,382 7,535 7,680 7,784 8,033 8,214 8,311 8,266 8,630 9,135 4-yr private 13,888 14,852 14,838 15,330 15,747 16,364 16,765 17,216 17,560 17,999 18,577 18,998 19,368 19,636 20,783 21,678 All data are unweighted averages, intended to reflect the average prices set by institutions.

The other line, called the y axis, is vertical with positive direction upward. Scaling on the two coordinate axes is often the same, but this is not necessary. 4. 4 A rectangular coordinate system. Any point P in the plane can be associated with a unique ordered pair of numbers (a, b) called the coordinates of P. Specifically, a is called the x coordinate (or abscissa) and b is called the y coordinate (or ordinate). To find a and b, draw the vertical and horizontal lines through P. The vertical line intersects the x axis at a, and the horizontal line intersects the y axis at b.

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