Answer:
[-9,3]
Step-by-step explanation:
The domain is all x-values or inputs of a function from left to right is -9 to + 3
He will use 11 and half cups of olive oil to use with 1 teaspoon of cinnamon.
Step-by-step explanation:
Given,
Olive oil used in recipe = 23 cups
Cinnamon used in recipe = 2 teaspoons
Ratio of cinnamon to olive oil in recipe = 2:23
Cinnamon Leon has = 1 teaspoon
Let x be the olive oil.
Ratio of available cinnamon to olive oil = 1:x
Using proportion;
Ratio of cinnamon to olive oil in recipe :: Ratio of available cinnamon to olive oil

Product of extreme = Product of mean

Dividing both sides by 2;

11.5 can also be written as 
He will use 11 and half cups of olive oil to use with 1 teaspoon of cinnamon.
Keywords: ratio, proportion
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Circumfernce=diameter times pi
given that we should use 3.14 for pi
and diameter is 11.9
circumfernce=11.9 times 3.14=37.366
the circumference is 37.366cm