Not all functions have inverse functions. Those that do are called invertible. For a function f: X → Y to have an inverse, it must have the property that for every y in Y, there is exactly one x in X such that f(x) = y.
She can get 12 books from the store.
work: use the ratio 2:3
hope it helps
Answer:
4.3 cm
Step-by-step explanation:
By the theorem of intersecting secants outside of a circle.

Answer:
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Step-by-step explanation:
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