Dora said that the mapping diagram below does
not represent a function because each value in
the domain is paired with the same value in the
range. explain the error in dora's reasoning.
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The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Equation for the calculation double 2 and then add 5