ANSWER:
Domain: {3, 7, 4, a}
Range: {a, b, 4, 0}
Their answer is correct so you need explanation?
Answer:
irrational
Step-by-step explanation:
Use the Pythagorean theorem.
5² + 6² = c²
25 + 36 = c²
c² = 61
7² = 49
6² = 64
61 is between 7² and 8², so it is not rational.
Answer:
10
Step-by-step explanation:
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