Answer:

( 5/2, 2 )
Step-by-step explanation:
Solve by substitution method:

Solve
for
:




Substitute
for
in
:







∴
and 
<em>hope this helps....</em>
Answer:
The afternoon temperature is
5°
Step-by-step explanation:
Step one:
given data
the morning temperature= -15°
the afternoon temperature rose by 20°
Required
The afternoon temperature
Step two:
Hence the afternoon temperature is given as
=-15°+20°
= 5°
Answer:
-6
Step-by-step explanation:
Median is the middle number
so in this picture median = 5
answer is 5
Each piece is defined over some (limited) domain. When you are evaluating or graphing a piecewise function, you only evaluate or graph the function whose domain includes the variable value of interest.