Question 883937
f(x)=7 is the same as f(x)=0x+7


That has a slope of 0.


Anything parallel to this line will also have a slope of 0.


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y = mx + b


y = 0x + b


y = b


This equation must go through (4,-1). So that means b must be equal to -1 to force the y coordinate of each point to be -1.


So the final answer is <font color="red">f(x) = -1</font>