Thursday

October 23, 2014

October 23, 2014

Posted by **drew** on Monday, February 4, 2013 at 12:27pm.

A. {(5, 2), (3, 2), (4, 2), (5, 1)}

B. {(1, 2), (1, 3), (2, 1), (3, 4)}

C. {(1, 3), (2, 6), (3, 8), (1, 7)}

D. {(1, 4), (8, 9), (10, 11), (12, 12)}

I say c

- algebra -
**Reiny**, Monday, February 4, 2013 at 1:28pmIf for every x, there is one and only one value of y, we have a function

in your c)

I see 1 --->3

and 1 ----> 7

oops, contradiction!

same is true for a and b

mmmmhhh, look carefully at D

- algebra -
**bobpursley**, Monday, February 4, 2013 at 1:29pmin b, x=1, y=2 or 3 not a function

in c, x=1, y=3 or 7, not a function

In a, x=5, y can be two values. not a function

in d. each x has a related unique y.

**Answer this Question**

**Related Questions**

Algebra (please help) - Which of the following relations has this characteristic...

Algebra answer for checking - relation or function? x^2 = 1 + y^2 This is a ...

Algebra - Right now we are learning about functions, relations, etc. and I am ...

math - Which of the following relations is not a function? (8, 4), (-5, 2), (4, ...

VERY URGENT MATH(Formalizing Relations & Functions - What is the domain of the ...

math - Consider the following 6 relations on the set of real numbers: A) y=2x&#...

algebra - Can someone help with inverse relations and functions? is relation t a...

Math - Which of the following relations has this characteristic: The relation is...

algebra - Relations and functions y=-3/4x+4 and y=2(x) state weather each ...

Mat101 - 5. Which of the following are functions? The last two problems, i.e., b...