Question

Write in tabular form { x : x is a positive integer ; x²< 50}

• A. {1, 4, 16, 25, 36, 49}
• B. {1, 2, 3, 4, 5, 6, 7}
• C. {1, 4, 9, 16, 25, 36}
• D. {1, 4, 9, 25, 36, 49}

Answer 1

Answer:

B. {1, 2, 3, 4, 5, 6, 7}

A = { x : x is a perfect square ; x< 50} x is a perfect square ; x²< 50 ⇒ x = 1, 2, 3, 4, 5, 6, 7 A = {1, 2, 3, 4, 5, 6, 7}