Susie has a bag with 9 hair pins,2 snacks, and 4 books. What is the ratio of books to pencils?
1 answer:
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Answer: D (-∞, ³⁄₂)
1. Find non - negative values for radicals. x ≤ ³⁄₂
2. Find undefined (singularity) points. x = ³⁄₂
3. Combine real regions and undefined points for final domain.
Final answer: x < ³⁄₂
