Determine if the following function is increasing or decreasing on the interval x=1 to x=2
1 answer:
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Answer:
D. There are points on the graph with the same -coordinate but different
-coordinate.
Step-by-step explanation:
A relation is a function if and only if each element of the range, corresponding with y-axis, is associated with only one element of the domain, corresponding with x-axis. In this case, the graphed relation is not a function, since for all element of the domain, except 0, are related to two distinct elements of the range.
Hence, correct answer is D.