Near what points can the equation 2x? + xy + y? = 7 not be solved for y as a function of x?%3DO A. (2, -1) and (-2, 1)О В.(2, -1), (-2, 1), and (0, 0)о С.(2, 1), (-2, -1), (2, -1), and (-2, 1)O D. (2, 1) and (-2, -1)O E. (2, 1) and (2, -1)

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Answered: Near what points can the equation 2x2 +…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.5: Graphs Of Functions

Problem 57E

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Suppose the world’s oil reserves in 2014 are 1,820 billion barrels. If, on average, the total reserves are decreasing by 25 billion barrels of oil each year: Give a linear equation for the remaining oil reserves, R,R, in terms of t,t, the number of years since now. Seven years from now, what will the oil reserves be? If the rate at which the reserves are decreasing is constant, when will the world’s oil reserves be depleted?
Suppose the percent of males who enrolled in college within 12 months of high school graduation is given by y =-0.126x+55.72 and the percent of females who enrolled in college within 12 months of high school graduation is given by y=0.73x+39.7, where x is the number of years after 1960. Use graphical methods to find the year these models indicate that the percent of females equaled the percent of males.
Suppose the percent of males who enrolled in college within 12 months of high school graduation is given by y= -0.126x + 55.72 and the percent of females who enrolled in college within 12 months of high school graduation is given by y= 0.73x + 39.7, where x is the number of years after 1960. Use graphical methods to find the years after these models indicate that the percent of females equaled the percent of males.

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Near what points can the equation 2x2 + xy + y? = 7 not be solved for y as a function of x? O A. (2, -1) and (-2, 1) O B. (2, -1), (-2, 1), and (0, 0) O C (2, 1), (-2, -1), (2, -1), and (-2, 1) O D. (2, 1) and (-2, -1) O E. (2, 1) and (2, -1)