SAT Math Question of the Day

Math Category: Roots Level 2:

Q: Which of the following are true, if a > 1 and b > 1?

  1. √ a  * √ b  > √ (a * b)
  2. √ a  + √ b  > √ (a + b)
  3. √ a  + √ 2b  < √ (a + 2 b)

  1. I only
  2. II only
  3. III only
  4. II and III
  5. I, II, and III