An art supply store sells posters for $9 each and picture frames for $15 each. Write an expression for the total cost of 6 poste
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if x≥0 then |x|=x
if x<0 then |x|=-x
1) for x≥0
2) for x<0
The answer is:
if x≥0 then |x|=x
if x<0 then |x|=-x
1) for x≥0
2) for x<0
The answer is:
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