Answer:
FGCG
Step-by-step explanation:
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Answer:
See the attachment. Brainly doesn't like function constructs using f as a function name. Hence the picture.
Answer:
Graph B
Step-by-step explanation:
The <em>mass</em><em> </em>is independent, so it runs <em>horizontally</em>,<em> </em>and the <em>fuel</em> is dependent, so it runs <em>vertically</em>.
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Answer:
One Solution:

Infinitely Many Solution:

No Solution:

Step-by-step explanation:
System 1


Hence only one solution 
System 2

Both represents the same line. Hence these have infinitely many solutions.
System 3

Compare both the lines with
, where m is the slope.
for both the lines.
Hence these two lines are parallel that means there does not exists any point of intersection
So this system will not have any solution.