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Any graph is defined by a given function. A graph of x +y =3, may be described as a line joining points such the sum of x-coordinate and the y-coordinate is 3. These are points such as (1,2), (2,1), (3,0) and so on such that the satisfy the equation of the line.
Answer:
3(y-3)
Step-by-step explanation:
just factor out the greatest common factor
Answer:
a. 7/18
b. K1 and k2 are not independent
Step-by-step explanation:
See attachment please
Answer:
The range is 
The graph in the attached figure
Step-by-step explanation:
we have

The domain is the interval
----> given problem
Remember that
The domain of a function is the set of all possible values of x
The range of a function is the complete set of all possible resulting values of y, after we have substituted the domain.
To find out the range of the function , find the value of y for each value of x
so
For x=-2 ----> y=-2-7=-9
For x=-1 ----> y=-1-7=-8
For x=0 ----> y=0-7=-7
For x=1 ----> y=1-7=-6
For x=2 ----> y=2-7=-5
therefore
The range is 
The graph in the attached figure