Chapter A1, Problem 35E

(a)

To determine

Whether the expression $-2a<-2b$ is true or false for the statement $a<b$.

(b)

To determine

Whether the expression $a+2<b+2$ is true or false for the statement $a<b$.

(c)

To determine

Whether the expression $6a<6b$ is true or false for the statement $a<b$.

(d)

To determine

Whether the expression $\frac{1}{a}<\frac{1}{b}$ is true or false for the statement $a<b$.