Which graph has a rate of change of zero?

Step-by-step explanation:

The first line is:

It has undefined rate of change

The second line is:

It has rate of change of zero (no change in y-value for any x-value)

Here, the rate of change is not defined.

Here, the rate of change is zero .i.e., y is independent of x.

Therefore, 2nd graph has a rate of change of zero.

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step-by-step explanation: