Solve for x. 2x = 15 + x a) x = -15 b) x = 15 c) x = -15/2 d) x = 15/2
2 answers:
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Answer:
yes
Step-by-step explanation:
The graph is of a function (one output for every input) that also passes the horizontal line test (one input for every output). Hence it is one-to-one.
For a <em>function</em>, the key for it being one-to-one is that it pass the horizontal line test.
