Myrnaarcenal23idn
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Sagot :

RELATIONS OR FUNCTIONS

Answer:

What do we mean by relations? it is a set of mapping of domain and range, sets of values.

How about functions? a relationship between one variable- dependent and independent variable.

Step-by-step explanation:

Determine which of the following relations, is a function.

  • S = { (3,2), (2,2), (1,2) }

Domain : { 3, 2, 1 }

Range : { 2, 2, 2 }

  • This relations is not a function.

====================================

  • M = { (-1, 0), (-2, 1), (-3, 2), (-2, 3) }

Domain : { -1, -2, -3, -2 }

Range : { 0, 1, 2, 3 }

  • This relations is a function.

====================================

  • A = { (4,2), (8,4), (16,8) }

Domain : { 4, 8, 16 }

Range : { 2, 4, 8 }

  • This relations is a function.

====================================

  • R = { (-5,-6), (-5,-12), (-5,-15) }

Domain : { -5, -5, -5 }

Range : { -6, -12, -15 }

  • This relations is not a function.

====================================

  • T = { (10,-5), (15,0), (20,5)

Domain : { 10, 15, 20 }

Range : { -5, 0, 5 }

  • This relations is a function.

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