Math
posted by
X on
.
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?