How do you solve and graph the compound inequalities #30 < 10u < 120#?
1 Answer
May 5, 2015
Remember you can perform the following operations on both sides of an inequality without changing the inequality:
- Add or subtract any number
- Multiply or divide by any positive (and non-zero) number
So
can be simplified as
The image below shows this relation graphed on a number line and in Cartesian space
