Evaluate 9x + 3xy − 2 for x = 3 and y = −3.
1 answer:
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Answer:
The given graph shows a function of x.
Step-by-step explanation:
Neither 1 nor 3 is a single-valued relation for some values of x. The graph shown passes the vertical line test, so does represent a function.
The graph is a relation that is a function of x.
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The attached graph is of the equation of 3. A vertical line will intersect the graph in more than one place, so the relation is NOT a function.
