Answer to Question #299245 in Algebra for Philly

Question

Which of the following is not true for real number e,f and g? 1 if e >0, then 1/e >0. 2. If e < f, then eg < fg. 3. If e < 0, then e squared >0. 4. If 0 < e < 1, then e squared < e

Answer 1

1 if e >0, then 1/e >0. Answer: True

2. If e < f, then e g < f g. Answer: Not true. To be true g must be positive

3. If e < 0, then e² >0. Answer: True

4. If 0 < e < 1, then e² < e. Answer: True