What is the slope of the line passing through the points (1,−3) and (1, 0)

Enter your answer as a number, like this: 42, or, if the slope is undefined, enter the lowercase letter "u".

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step-by-step explanation:

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)