If prices increase at a monthly rate of
1 answer:
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Answer:
C
Step-by-step explanation:
The red portion shows all numbers GREATER THAN or EQUAL TO 0.
So that would be x ≥ 0
<em>Looking at the answer choices, there is no "x", rather "√x"</em>
<em>To make it "x", we need to square both sides and the option C wouldn't make a difference. Shown below:</em>
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<em>Option C is right.</em>