Answer:
Real numbers are mainly classified into rational and irrational numbers. Rational numbers include all integers and fractions. All negative integers and whole numbers make up the set of integers. Whole numbers comprise of all natural numbers and zero.
Step-by-step explanation:
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Answer: The first graph.
This can be found by looking at the y-intercept and plugging in values for x.
Y - 5 = -1/2(x-1)
hope this helps!