Answer:
(a)
if
then
and if x<0 then 
(b)
That is straightforward from what you showed on theorem 3.25
(c)
Following the same ideas from (a) x>a or -x > a.
Step-by-step explanation:
Remember how we define the absolute value of a number.
(a)
In general

Therefore if
you have two cases, if
then
and if x<0 then 
(b)
That is straightforward from what you showed on theorem 3.25
(c)
Following the same ideas from (a) x>a or -x > a.
Answer:
Place the compass at S and adjust its width to point P.
Step-by-step explanation:
Here are the remaining steps to complete the construction.
The next step for Alice is to place the compass at point S and adjust its width to point P.
Next step is, without changing the width, place the compass at point T, draw another arc and cut the previously drawn arc. Label the new point as U.
Now, using straightedge, join points R and U.
RU is the required line that passes through R and parallel to LQ.
Answer:
ask sombody else
Step-by-step explanation:
guess we dont