Because 
and 
are inversely proportional, there is some constant 
such that
Given that
and 
, we have
So when
, you have
Given that
So when
How to solve this problem? I already have the answer.
1 answer:
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Consider x=0.
The output of the function y=x is y=0.
The output of the function y=x+5 is y=0+5, or y=5.
The value 5 is not 5 less than 0, not 1/5 of 0, and not 5 times 0. Rather, it is 5 more than 0, corresponding to selection ...
... C. Each output of y=x+5 is 5 more than the corresponding output of y=x.
