It's an absolute measure (like a ruler), you are not comparing it, in relation to anything else. So linear.
identity linear and nonlinear functions from graph
linear (A+)
linear
linear
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Yes, the rate of change can be linear or non-linear.
It is linear.
This is non-linear
6 is neither linear nor non-linear. It is just a number.
Linear means anything that forms a straight line. Nonlinear means the opposite. Something that doesn't form a straight line.
-1
diode is nonlinear device,so device from diode is also nonlinear