The number of cups of flour per shortcake in Wyatt's recipe is given by

The number of cups of flour per shortcake in Cora's recipe is given by

The number of more cups of flour needed by Cora is given by 0.35 - 0.3 = 0.05 cups.
Answer:
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Step-by-step explanation:
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Answer:
and
.
Step-by-step explanation:
To this relation be a function, the horizontal coordinates can't be equal. So, let's find the value of
that makes those coordinates equal.

Using the null factor property, we have

Therefore, the given relation is not a function when
and
.