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Ivahew [28]
3 years ago
9

Domain and range from the graph of a discrete relation.

Mathematics
1 answer:
Anni [7]3 years ago
5 0
Domain is the x values of the function (left right
range is the y values (up down)

the domain are the x values
the x values are -3, 1, 4
so put {-3,1,4} in the domain box

the range is y values
that is 3,4,0,-3
put {-3,0,3,4} in range box
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lapo4ka [179]

Answer:

y = 2.31x + 309.35

Step-by-step explanation:

Whenever you are checking for a best fitting equation you want to check if it has a constant slope.  If it does then the relation is linear and super easy.

So, since the t values are increasing by the same amount you want to see if the y values are  too.  And they are, each population entry is increasing by 2.31, this is the slope.  

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Now, since we know it's linear and we know the slope we can find the equation with the formula  y - y1 = m(x - x1) where again, x is replaced by t and m is the slope 2.31

I am just going to use the first point.  so x1 = t1 = 0

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y = 2.31x + 309.35

Let me know if there was something you didn't understand.  

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ArbitrLikvidat [17]

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