Because, 9 x 9 = 81. Hope I helped!
Answer:
The domain of this function: (-∞,∞), or {x|x∈ℝ}
The range of this function: (-∞,∞), or {y|y∈ℝ}
Answer:
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Step-by-step explanation:
36 engies divied by 2 =18 so rows of 18 engies
72 box cars divied by 4=18 so you 4 rows of boxcars with 18 in each 18 cabooses is just 1 row with 18 cabooses in it
Well if the original population is 250 crickets after 6 months it would double to 500. After another 6 months (A year now) it would again double in size to 1000 and so on for 2 more periods of 6 months. After doubling two more times you get 4000, or answer D.
