What will it cost to carpet a rectangular floor measuring 27 feet by 21 feet if the carpet costs $28.77 per square yards.
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Hi!
The number has a zero in the denominator.
If a number has a 0 in it's denominator, then it's not rational
Division by 0 is undefined.
Hope this helps you!
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Try this explanation, if it is possible check it in other sources:
let 'z' common variable for g(x) and g(a).
Then 4z-4+|z+6|=3z+2; ⇔ z-6+|z+6|=0; ⇔ z∈(-oo;-6)∩{0}.
All the additional details are in the attachment.
answer: (-oo;-6)∩{0}
