1. State whether or not the following relations are functions.a. {(2,2), (4,4), (6,6)}b. {(5,3), (5,4), (5,5), (5,6)}с. { (0,2), (3, -5), (0,4), (1,6)}d. {(x,y)/ y = 3x – 8}x+3е.х-5

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Answered: 1. State whether or not the following…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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4) Car price fluctuates as chip price does, and chip price fluctuates as silicon dioxide price does. Now suppose these relations can be represented by differentiable functions (they actually can), find out how much car price change when price of chip is 1 dollar more when you know car price is $165 more expensive when price of silicon dioxide rise 1 dollar and chip price is $5 more as silicon dioxide price rise 1 dollar. 5) Penuhlie of Crazinese finallv allows their neonle to own smartphones, but they also make a law that
what is the domain of the relation (2,-1), (4,-2), (0,0), (3,7), (4,6)
For the set of ordered pairs f= {(-1, 4), (0, 3), (1, 4), (2,-2). Give the domain and range: D= { }, R= { }
3. Suppose the function f is the single point (6,-9) . Then f inverse is * (-9,6) (-6,9) (9,-6)
Find the equation for the line passing through (5, -4) and (-1, -1) and then use that information to choose which of the following points *also* lies on that line. O (5, -1) O (-4,5) O (-4, 0.5) O (-4,-1)
The graph of the line y=1/3x+1 intersects a second line at a right angle . If the y intersect of the second line is( 0,11) what is the point at which the lines intersect. A.(15,6) B.(-3.6,-(0,2) C.(3,2) D. (-3.75,-0.25)
2. What rule can you use to determine, from the graph of a relation, whether the relation is a function? Graph each relation and determine which are functions. a) {(-2, 1), (1, 1), (0, 0), d) x² + y² = 1 (1, – 1), (1, – 2), (2, – 2)} b) y = 4 – 3x 1 e) у c) y = (x – 2)² + 4 f) y = Vx
If f = {(1, 4), (-2, 0), (3, 0.5), (p, 0)} and g = {(1, 1), (-2, 2), (0.5, 0)}, find each of thefollowing values of f and g. g(1)
For what value of x will make {(4,6), (8,10), (x-3, 21). (17,19)} satisfy the relation y = x + 2? А. 12 В. 22 С. 19 D. 25
8. Which of the following equations do NOT represent functions of x? Explain. •a {(-2,5), (1,3),(3,7),(4,25),(3,-1)} •b y=x^3+20 •c y^2=x •d y=|x+7|
Which of these pairs of the form (x, y) could not lie on the graph of a function of x? O (2, 1) and (2, 2) O (2, 1) and (3, 1) O (2, 2) and (3, 2) O (1, 1) and (2, 2)
The value y (in 1982–1984 dollars) of each dollar paid by consumers in each of the years from 1994 through 2008 in a country is represented by the ordered pairs. (1994, 0.677) (1995, 0.655) (1996, 0.639) (1997, 0.618) (1998, 0.609) (1999, 0.605) (2000, 0.580) (2001, 0.565) (2002, 0.557) (2003, 0.542) (2004, 0.531) (2005, 0.516) (2006, 0.499) (2007, 0.478) (2008, 0.461) (a) Use a spreadsheet software program to generate a scatter plot of the data. Let t = 4 represent 1994. Do the data appear linear? Yes or No (b) Use the regression feature of the spreadsheet software program to find a linear model for the data. (Let t represent time. Round your numerical values to four decimal places.) y = (c) Use the model to predict the value (in 1982–1984 dollars) of 1 dollar paid by consumers in 2010 and in 2013. (Round your answers to two decimal places.) 2010 $ 2013 $ Discuss the…

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1. State whether or not the following relations are functions. а. {(2,2), (4,4), (6,6)} b. {(5,3), (5,4), (5,5), (5,6)} c. {(0,2), (3,-5), (0,4), (1,6)} d. {(x,y)/ у %3 3x - 8} x+3 е. X-5