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1. B 72 2. D 40,320 3. B 90 ways 4. D 6,844/91 5. A 57
Thank you so much for writing the full answers instead of the letters.
1. Graph x^2 + y^2 = 9. What are its lines of symmetry? Ans: A (Every line through the center is a line of symmetry). 2.Graph x^2 + 9y^2 = 25. What are the domain and range? Ans: C Domain: –5 ≤ x ≤ 5 Range: –1.67 ≤ y ≤ 1.67 3. Graph x2 – y2 =
