Problem:
Using Maple, solve the inequality
|x - 7| < 9
Visualization:
The command to use is solve. For example, to solve the inequality
|x - 7| < 9
we type:
> solve( abs(x-7) < 9, x);
and Maple responds with
RealRange(Open(-2),Open(16)).
In usual notation, this would be the interval (-2, 16).
As another example, type:
> solve(x/(2-x)<=4, x);
and Maple responds with
RealRange(-infinity,8/5), RealRange(Open(2),infinity)
.
In usual notation, this is the union
