# math

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the following numbers are put in a machine and put out, they are in a pattern. if you put in 4.5, what will you get out.

input output
-15 -7
-6 -4
0 -2
3 -1
6 0
12 2

• math -

You have a linear relationship netween input and output. Note that every increase of 3 in the input increases the output by 1. 4.5 is 1.5 above 3, so you will 0.5 above -1, or -0.5.

If you were to use algebra, it would be

y = x/3 -2

x is the input and y is the output

• math -

find the out put 0 to 25 2 to 55 4 to 85

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