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Mathematics 29 Online
OpenStudy (anonymous):

help

OpenStudy (anonymous):

OpenStudy (anonymous):

the instructions are : Tell whether each pairing of numbers describes a function. If so, identify the domain and the range, if not explain not

jimthompson5910 (jim_thompson5910):

Notice how we have the two points (36,6) and (36, -6)

jimthompson5910 (jim_thompson5910):

what do you notice about these two points?

OpenStudy (anonymous):

Umm i dont know can u explain to me

jimthompson5910 (jim_thompson5910):

what do they have in common

OpenStudy (anonymous):

the 36

jimthompson5910 (jim_thompson5910):

yes both have x = 36

jimthompson5910 (jim_thompson5910):

so if this was a function, you would plug in the input x = 36 the output is y = 6 or y = -6 which one is it? you can only have EXACTLY ONE output

jimthompson5910 (jim_thompson5910):

because of this, this relation is NOT a function. Visually, you'll see these two points violating the vertical line test

OpenStudy (anonymous):

Ok

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