Answer:
-2
Step-by-step explanation:
Answer: 5, -4
Step-by-step explanation:
imagine a mirror on the x axis and just make it look symmetrical and that will help you. Its also the complete opposite of the point
Step-by-step explanation:
Given
The function is 
for
, we will check the values of
and 
Take 3 and 4

Similarly,

Thus, 
Also,
is 1 i.e. a constant value. So, the function is increasing linearly for the given interval.
I guess you are asking the value of the Angle x, if so
it's equal to 180°-31° ==> mes angle x =149°