1. Prove: For every real number x > 5, there exists a real number y 2. Prove: For every real number x > 1, there exist two distinct positive real numbers y and z such that 3. Prove: If x 2 + x – 6 ≥...

1. Prove: For every real number x > 5, there exists a real number y <>

2. Prove: For every real number x > 1, there exist two distinct positive real numbers y and z such that

3. Prove: If x²
+ x – 6 ≥ 0, then x ≤ −3 or x ≥ 2

4. Prove: If x/(x – 2) ≤ 3, then x <>