Answer:

Step-by-step explanation:
Formula for slope

As the Line AB contains points A (8, −4) and B (1, −5).
Put points value in the above






The relation is <em>not a function</em> if any x-value is repeated.
Assuming you have
(x, y) = (3, 10), (__, 20)
if x = 3, the relation is not a function.
Answer:
Sorry is there any more information i will then change answer
Step-by-step explanation:
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