Math
posted by
X
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For graphs what does a direct, inverse, linear and power relationships mean?

Math 
drwls
direct: y = a x
inverse: y = a/x
linear: y = mx + b
power: y = a x^n
a, b, m and n are constants

Algebra 2 
bubba
why do we say that the xaxis is the input and the yaxis is the output?