Friday

August 22, 2014

August 22, 2014

Number of results: 27,821

**Pre-Algebra**

Okay so I have no clue how to determine if a relation is a function. Here is an example can you tell me how to determine this? D: Example: Determine whether the relation is a function. {(-5,5), (-2,5), (0,5), (2,5)} Thanks in advance
*May 2, 2011 by Cheryl*

**algebra**

Determine whether the following relation represents a function. If the relation is a function then state domain and range? {(-1,-6),(2,-6),(3,-6),(4,-6)} Does the given relation represents a function? What is domain?
*May 22, 2013 by Sharday*

**Alegbra**

Find the range of the relation [(1, -4), (2,5), (3,5)]. Then determine whether the relation is a function.
*January 17, 2013 by Megan*

**Algebra**

1. Determine whether the relation is a function. {(-2, -7), (3, -5), (6, -4), (9, -6), (10, -1)} 2. Determine whether the relation is a function. {(-5, -4), (-2, 9), (-1, -2), (-1, 7)} 3. Determine whether the relation is a function. {(-7, -1), (-7, 2), (-1, 8), (3, 3), (10, -...
*August 22, 2012 by Josh*

**math**

Determine whether or not the relation is a function. {(-3, 6), (-2, 7), (-1, 8), (0, 9)} yes or no
*November 16, 2009 by denise*

**Math**

Determine whether or not the relation is a function (1,9)(2,10)(3,11)(4,12)
*June 7, 2011 by CC*

**Math**

11. Determine whether or not the relation is a function. {(-3, 6), (-2, 7), (-1, 8), (0, 9)} No Yes
*June 7, 2011 by CC*

**algebra**

Determine whether or not the relation is a function. (-3,6), (-2,7, (-1,8), (0,9)
*January 26, 2013 by samuel*

**Math Help!**

Determine whether the relation is a function. {(4, 9), (-4, 9), (2, 3), (10, -5)}
*November 27, 2013 by Lori*

**Algebra 1 (Reiny or Kuai)**

Give the domain and range values of each relation. Tell whether the relation is a function. The x-values are -3, -2, -1, -2. The y-values are 9, 6, 3, 0. A: D: {-3, -2, -2}; R: {9, 6, 3, 0} No, this relation is not a function?
*November 13, 2013 by Anonymous*

**Pre Calc**

Determine whether the relation is a function. [(-4,6),(-1,3),(3,3),(8,-9)]
*August 25, 2009 by Hannah*

**MATH**

I NEED TO NO HOW TO DETERMINE WHETHER EACH RELATION IS A FUNCTION
*November 9, 2010 by CHARLEY*

**algebra 2**

List the domain and range and determine whether the relation is a function.(2,4)(4,-2)(1,3)(0,3)
*December 11, 2009 by y*

**calcius**

Determine whether the relation represents a function. If it is a function, state the domain and range. {(-2, 1), (-1, -2), (0, -3), (1, -2), (3, 6)} a. function domain: {-2, -1, 0, 1, 3} range: {1, -2, -3, 6} b. function domain: {1, -2, -3, 6} range: {-2, -1, 0, 1, 3} c. not a...
*June 9, 2008 by rachel*

**Math**

Let R1 be a binary relation on the set of integers defined as follows: R1 = {(x, y) / 4 divides x y}. Determine whether the given relation R1 is an equivalence relation on the set {1, 2, 3, 4, 5}.
*March 10, 2007 by Julio*

**Algebra**

Graph the relation then tell whether the relation is a function The coordinates are: (0,-4), (0,4), (2,-3), (2,3). (4,-1) (4,1) After I graphed it I found that two of the point were on the y-axis so does that mean it is not a function? I might be getting it backwards though. ...
*August 29, 2011 by Linda*

**math**

find the domain and range of the relation, and state whether or not the relation is a function. {(3,9), (3,10), (3,11), (3,12)}
*April 13, 2009 by yorkie16*

**math**

find the domain and range of the relation and state whether or not the relation is a function. {(1,3), 2,3), (3,3), (4,3)}
*April 13, 2009 by yorkie16*

**algebra**

Find the domain and range of the relation, and state whether or not the relation is a function. {(3, 9), (3, 10), (3, 11), (3, 12)}
*December 14, 2009 by kara*

**Math**

Find the domain and range of the relation, and state whether or not the relation is a function (1,3)(2,3)(3,3)(4,3)
*June 7, 2011 by CC*

**Math**

Find the domain and range of the relation, and state whether or not the relation is a function. {(3, 9), (3, 10), (3, 11), (3, 12)}
*June 12, 2012 by Anonymous*

**math**

Which of the following best describes the equation below? y= -7x + 6 answers choices are: A. relation only B. neither a relation nor a function C. function only D. both a relation and a function
*February 27, 2014 by Ayriana*

**algebra**

Part A: Give the domain and range of the relation. Part B: Tell whether the relation is a function. X Y 8 8 6 6 4 4 2 6 0 8
*December 15, 2013 by genny*

**9th grade**

I am having trouble trying to figure out how to work this problem: Determine if each relation is a function. 1. Relation: (-2,2),(3,2,),(4,-1),(5,-2) How do i do this???????
*March 2, 2010 by NIki*

**Pre Cal.**

Given that x is an integer between -2 and 2, state the relation represented by the equation y = 2-abs(x) by listing a set of ordered pairs. Then state whether the relation is a function. I think it's: (-2,0) (-1,1) (0,2) (1,1) (2,0)
*April 1, 2009 by Patrick*

**Need help asap**

I need help! Reasoning: Can a function have an infinite number of values in its domain and only a finite number of values in its range? If so, describe a real-world situation that could be modeled by such a function. Writing: What is the difference between a relation and a ...
*January 9, 2014 by Macie*

**Math**

Suppose R is the relation on N where aRb means that a ends in the same digit in which b ends. Determine whether R is an equivalence relation on N. And, Suppose that R and S are equivalence relations on a set A. Prove that the R Ώ S is also an equivalence relation on A.
*November 18, 2011 by Martin*

**Discrete Math**

Consider the following relation on R1, the set of real numbers R1 = {(1,1), (1,2), (2,1), (2,2), (3,3), (4,4), (3,2), (2,3)} Determine whether or not each relation is flexible, symmetric, anti-symmetric, or transitive. * Reflexive because the relation contains (1,1), (2,2), (3...
*February 8, 2011 by Laurey *

**math**

Decide whether the relation is a function or not {(-4, -8), (-1, 2), (2, -2), (6, 1)}
*February 9, 2010 by re*

**Pre-Calculus**

Given that x is an integer, state the relation represented by absolute value y = x/2 and 0 is less than or equal to x which is less than or equal to 2 by listing a set of ordered pairs. Then state whether the relation is a function. Write yes or no. Please help--no clue what ...
*September 28, 2008 by Lucy*

**math**

Tell whether the relation is a function. Explain your answer. (-6,-3), (-4,-2), (-2,0), (2,0), (4,-2), (6,-3).
*April 22, 2009 by maya*

**Math**

state whether each relation y=f(x) describes a quadratic function or not
*June 18, 2014 by Jeff*

**Math**

state whether each relation y=f(x) describes a quadratic function or not y=3-x^2
*June 18, 2014 by Jeff*

**math**

3. For the following, state the domain, range, and state whether the relation is a function. If it is not a function explain why. {(3,2), (4,5), (8,5), (-3,2)} {(4,5), (2,3), (-2,4), (9,3)} {3,2), (5,10), (20, 4), (3, 8)} .
*September 29, 2013 by jarron*

**trigonometry**

y=5x^2+8 give the domain and range of the relation and indicate whether or not it is a function.
*January 15, 2009 by y912f*

**Algebra**

Find the domain and range of the relation and state whether or not it is a function. {(1,3) (2,3)(3,3) (4,3)}
*May 12, 2011 by Michael *

**College algebra!**

For the linear function f(x) = 5x + 3 (a) Determine the slope and y-intercept (b) Use the slope and y-intercept to graph the linear function. (c) Determine the average rate of change of the function (d) Determine whether the linear function is increasing, decreasing, or constant.
*March 15, 2013 by Jenn*

**algebra**

Find the domain and range of the relation and determine whether it is a function? Answers are Domain x>1 range y>0yes it is a function Domain all real numbers,range all real numbers yes it is a function Domain positive integers, range positive integers no it is not a ...
*March 12, 2014 by snow*

**Algebra**

Could you please check my work. Determine whether the realtion is a funtion. 2.{(-6,2),(-2,5),(3,2),(3,-7)} -Not a function 2. Determine whether the equation defines y as a function of x. 2x+4y=15- the answer I got is y is a fucntion of x. Evalute the function at the given ...
*August 30, 2007 by Soly*

**algebra**

Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-world example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If so, give one, if not, ...
*February 12, 2012 by Lucy needs help now*

**algebra**

Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-word example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If so, give one. If not, ...
*February 15, 2012 by Algebra need help*

**algebra **

(1) Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-world example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If so, give one. If not, ...
*February 28, 2012 by help needed asap *

**algebra**

Let the set of ordered pairs (x, y)= {(1, 2), (2, 4), (1, 3), (3, 4)} is a relation between x and y. Then the relation: A. is a function B. is not a function as y = 4 is related to two values of x i.e. x = 2 and x = 3 C. is not a function as x = 1 is related to two values of y...
*January 22, 2014 by orpheus*

**College Algebra (Functions)**

The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}
*September 11, 2011 by Sydney*

**Math**

Which of the following relations has this characteristic: The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5...
*September 12, 2011 by Kara*

**Algebra (please help)**

Which of the following relations has this characteristic: The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5...
*September 12, 2011 by Kristen*

**College Algebra**

The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}
*September 11, 2011 by Sally*

**Algebra**

The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in what relation not being a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}
*September 11, 2011 by Mike*

**maths**

The following statement defines a relation R in the natural numbers N. state whether or not each relation is symmetric 1. x is less than or equal to y 2. x+y =10
*December 10, 2013 by lindsay*

**Algebra2**

Determine if the given relation is function or not. Give its domain and range. 16. (-1, 2), (1, 3), (-1, 4), (2, 5) 17. (1, 1), (2, 2), (3, 3), (4, 4)
*October 11, 2012 by Leaaf*

**Algebra2**

Determine if the given relation is function or not. Give its domain and range. 16. (-1, 2), (1, 3), (-1, 4), (2, 5) 17. (1, 1), (2, 2), (3, 3), (4, 4)
*November 29, 2012 by Nessa*

**math**

Let f be he real-valued function defined by f(x)=sin^3x+sin^3|x| (a) find f'(x) for x>0 (b) find f'(x) for x<0 (c) determine whether f(x) is continuous and x=0 (d) determine whether the derivative of f(x) exists at x=0
*November 4, 2010 by Mariam*

**Discrete Math**

Consider the following relations on R, the set of real numbers a. R1: x, y ∈ R if and only if x = y. b. R2: x, y ∈ R if and only if x ≥ y. c. R3 : x, y ∈ R if and only if xy < 0. Determine whether or not each relation is flexible, symmetric, anti-...
*February 7, 2011 by Laurey *

**Algebra**

Decide whether the given relation is a function of x. (NO CREDIT WILL BE GIVEN WITHOUT AN EXPLANATION). Give the domain. y=-7/x-16
*February 20, 2014 by Eva *

**Algebra2**

Problems 16 & 17: Determine if the given relation is function or not. Give its domain and range. 16. (-1, 2), (1, 3), (-1, 4), (2, 5) 17. (1, 1), (2, 2), (3, 3), (4, 4)
*September 17, 2012 by Unknown*

**Algebra 1 (Reiny or Kuai)**

1. Graph each equation. Tell whether the equation represents a function. a. y = (x - 2)^2 - 1 b. x + y = 6 c. y = |x| -3 d. y = x^2 + 1 How am I supposed to graph these? 2. For each function, determine whether the given points are on the graph. a. y = 7x - 2; (1, 5) and (2, 10)
*November 4, 2013 by Anonymous*

**HELP!!! Math**

Given the relation A = {(5,2),(7,4),(9,10),(x,5)}. What is the value of x that will make relation A a function?
*June 5, 2013 by Jnr John*

**Algebra Functions**

I dont understand how you determine whether a function is even, odd,or neither. Here are my problems: Determine whether the given function is even, odd, or neither. 8. f(x)=x^3-x^2 This is how I did it. f(-x)=(-x^3)- (-x^2)= (-x)(-x)(-x) - (-x)(-x) = (-x^3) -(x^2)- I got that ...
*September 5, 2007 by Soly*

**Calculus**

1. Locate the absolute extrema of the function f(x)=cos(pi*x) on the closed interval [0,1/2]. 2. Determine whether Rolle's Theorem applied to the function f(x)=x^2+6x+8 on the closed interval[-4,-2]. If Rolle's Theorem can be applied, find all values of c in the open interval...
*October 30, 2012 by Cynthia*

**Math**

Can you please check my answers. Determine whether the function is a polynomial function. f(x) = 4x + 4x^5 -Yes f(x) = 4 - 1/x^2 -No
*October 15, 2007 by Jan*

**algebra**

Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-word example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If so, give one. If not, ...
*February 15, 2012 by Algebra need help*

**discrete math**

1. let A and B be sets. Show that A U (B - A)=A U B 2. determine whether f is a function from Z to R if a) f(n)= +n b) 1/(n square -4) For 1. B-A is the same as B intersect ~A (That's the complement of A) So A U B = A U (B int ~A) = (A U B) int (A U ~A) A U ~A is the universal...
*October 11, 2006 by thisha*

**math**

How do you determine whether something is a function or not? If it is a rule or formula that lets you input one number to get another, then it is a function.
*March 19, 2007 by George*

**Statistics**

Test the following function to determine whether it is a probability function. If it is not, then make it into a probability function. (Give your answers correct to one decimal place.) R(x) = 0.2, for x = 0, 1, 2, 3, 4 (a) List the distribution of probabilities. R(0) = R(1) = ...
*May 27, 2013 by Tom*

**statistics**

Test the following function to determine whether it is a probability function. If it is not, then make it into a probability function. (Give your answers correct to one decimal place.) R(x) = 0.2, for x = 0, 1, 2, 3, 4 (a) List the distribution of probabilities. R(0) = R(1) = ...
*May 29, 2013 by Tom*

**algebra ll**

find the range of the relation (-1,4),(2,5), (3,5)then determine if the relation is a funtion or not thank u
*August 8, 2008 by natasha*

**algebra**

For the function f(x)=(7-8x)^2, find f^-1. Determine whether f^-1 is a function.
*December 10, 2012 by lee*

**algebra**

for the function f(x)=(3-4x)^2, find f-1. determine whether f-1 is a function
*January 4, 2013 by anonymous*

**Algebra 2 help.**

For the function f(x)=(3-4x)^2, find f^-1. Determine whether f^1 is a function.
*January 14, 2014 by Heather*

**Calc**

Use the derivative to determine whether the function is strictly monotonic on its entire domain and therefore has an inverse function. f(x) = cos [(3x)/2]
*December 6, 2010 by Erica*

**Mathematics**

I have a question about onto and one-to-one.? Determine(with an explanation) whether this function is one-to-one and whether it is onto. f:R-->RxR, where f(x)=(x^2, 2x+1). I honestly know this is probably very simple but I have not idea where to start. I'm not even sure ...
*April 5, 2010 by Anonymous*

**math**

determine whether the correspondence is a function . Detroit ---lions,tigers,pistons. New York---rangers, jet, yankees. Is this correpondance a function.
*September 20, 2010 by Anonymous*

**Algebra**

98. Solve the equation -49 = x - 50 x=1? 94. Determine if the following equation is a function: x=2 No? 92. Determine if the following equation is a function: y=5 No? 89. Solve for x in the equation: 6/7x - 6 = -2 I got x=28/3 86. Does the following set of coordinates make a ...
*May 1, 2010 by y912f*

**Functions**

I need help with the following question. I am sure how to tell if something is a function or not. Determine whether the realtion is a function. {(-6,2),(-2,5), (3,2),(3,-7)} I think its not a function, but then again I think it is cause you have different x's going to ...
*September 1, 2007 by Soly*

**Math Help!**

A.) Determine "a" and "k" so both points are on the graph of the function. 1.) (0,1) (2,1); y=a(x-1)^2+k 2.) (1,11) (2,-19); y=a(x+1)^2+k B.) Determine whether or not the function f(x)=0.25(2x-15)^2+15 has a mazimum or a minimum value. Then find the value. C.) When y=2(x-3)(x+...
*January 21, 2014 by Lanie*

**Discrete Math**

Which of these relations on {0, 1, 2, 3} are equivalence relations? Justify the relation(s) that are not equivalent. R1: {(0,0), (1,1), (2,2), (3,3)} R2: {(0,0), (1,1), (1,3), (2,2), (2,3), (3,1), (3,2), (3,3)} R3: {(0,0), (0,1), (0,2), (1,0), (1,1), (1,2), (2,0), (2,2), (3,3...
*February 8, 2011 by Laurey *

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=5/(x+3)
*August 2, 2014 by Michala *

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=(5x-6)/(2x+3)
*August 2, 2014 by Michala *

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=x^3-27
*August 2, 2014 by Michala *

**Pre-Calculus**

Determine whether the equation represents y as a function of x. |y| = 4 - x If I plug in 5, then I get -1, but it also means 1. Does that mean y has 2 values which means that it is not a function?
*August 9, 2012 by Peter*

**Algebra**

Explain how you would determine whether the graph of y = x^4 represents an exponential function. What is an exponential function? Thank you! :-)
*March 30, 2009 by Cassie*

**math**

how do you determine whether{(1,4),(2,6),(3,7),(4,4)} is a function????
*March 19, 2009 by tyler*

**Calculus, check my answers, please! 3**

Did I get these practice questions right? 1. Suppose that f is an even function whose domain is the set of all real numbers. Then which of the following can we claim to be true? ***The function f has an inverse f 1 that is even. The function f has an inverse f 1, but we can'...
*October 2, 2013 by Samantha*

**calculus**

determine whether 9x-y+16 equals 13 49 y as a function of x
*August 1, 2011 by Naomi*

**computing maths**

Determine whether the relation R on the set of all real numbers is reflexive, symmetric or transitive? where (x,y) is an element of R Explain why and why not by proving and giving examples. (a) x=1 (b) xy ≥ 0 (c) x-y is a rational number (d)x+y = 0 I need help urgently...
*June 16, 2013 by janice123*

**Algebra2**

Complete parts a c for each quadratic function: a. Find the y-intercept, the equation of the axis of symmetry and the x- coordinate of the vertex. b. Make a table of values that includes the vertex. c. Use this information to graph the function. 1. f(x) = 2x^2 2. f(x) = x^2...
*February 8, 2008 by Mara*

**pre-calculus**

Determine whether y is a function of x: x^2y-x^2+4y=0 Please help. Thanks.
*September 13, 2008 by Gina*

**Algebra**

Determine whether the equation defines y as a function of x. y= -16
*July 12, 2013 by tony*

**Algebra**

Determine whether the equation defines y as a function of x. y=-17
*July 15, 2013 by tony*

**~*~Algebra!*~**

How do you use possible symmetry to determine whether the graph is the graph of an even function, an odd function, of a function that is neither even or odd?
*September 1, 2007 by Nickie*

**Discreet Mathematics**

Part I: Suppose you are developing a statistical database in which information about professional football teams and records are stored. Consider the following 2 sets of data that list football teams and quarterbacks: D = {Jets, Giants, Cowboys, 49ers, Patriots, Rams, Chiefs...
*October 20, 2012 by Chuck*

**Algebra**

Determine whether each function is odd, even or neither. a) f(x) = -6x^5+2x^3 b) f(x) = x^4-x^2+1
*June 21, 2013 by AZ*

**algebra**

The function f is even and the function g is odd. Determine whether the function h(x)= f(x)/g(x) is even or, odd or neither.
*December 7, 2007 by danny*

**Algebra-please check my work**

check my answers please. Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers. f(x) = 2x3 + 10x2 - 8x - 5; between 1 and 2 -I got: f(1)=1 and f(2)=35;no Determine the maximum possible number of turning ...
*October 15, 2007 by emma*

**pre cal**

Determine algebraically whether the function is even, odd, or neither even nor odd. f as a function of x is equal to 14 times the cube root of x
*June 23, 2014 by Jorgeeee*

**algebra**

How can you tell whether a function is rational or not? And how do you determine holes of a graph? Thanks!
*January 22, 2009 by Derek*

**math**

Determine whether the graph of each function is symmetric with respect to the origin. F(X)=-12/x
*March 9, 2011 by emily*

**calculus**

Determine whether the given function is continuous. If it is not, identify where it is discontinuous.
*February 13, 2012 by Anonymous*

**pre calculus**

determine whether the equation defines y as a function of x. √x + y = 12
*April 8, 2014 by Danielle*

**Math**

Determine whether each of the following function is invertible and very briefly explain your answer. a) The function that pairs the number of days since your birth with your age in years. b) The function that pairs the speed of your car in miles per hour with the speed in ...
*November 22, 2012 by Steph*

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