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For each relation below, determine the following.(i) Is it a function? If not, explain why not...

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Advance Math

For each relation below, determine the following.(i) Is it afunction? If not, explain why not and stop. Otherwise, answer part(ii).(ii) What are its domain and image?

(a){(x, y) :x, y?Z, y- 2x}.

(b){(x, y) :x, y?Z, xy- 0}.

(c){(x, y) :x, y?Z, y-x2}.

(d){(x, y) :x, y?Z, x|y}.

(e){(x, y) :x, y?Z, x+y= 0}.

(f){(x, y) :x, y?R, x2+y2= 1}.

Answer & Explanation Solved by verified expert
3.7 Ratings (433 Votes)
a xy x y in Z y 2x It is a function The domain is Z The image is 2Z 2k k is in Z set of all even integers b xy x y in Z xy 0 xy x y in Z either x 0 or y 0 Xaxis U Yaxis    See Answer
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