Question

find domain and range of f(x) = x^2-x+1 / x^2+x+1​

Answer 1

Through a process called photosynthesis, plants use energy in sunlight to turn a gas called carbon dioxide and water into sugar. Plants then use this sugar to grow. At the same time, plants produce a gas called oxygen as a waste product, which is lucky for us and other animals because we need oxygen to breathe!

Answer 2

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