Find the domain by finding where the expression is defined.
Interval Notation:
Interval Notation: ( − ∞ , 2 3 ] (-∞,23]
Set-Builder Notation: { x ∣ ∣ ∣ x ≤ 2 3 }
A rectangular lawn is twice as long as its breadth and its perimeter is 90 m.
1 answer:
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