1. MULTIPLE Choice: How many zeros does the function f(x) = 16x – 22x3 + 6x6 + 19x5 – 3 have?
1 answer:
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We are told that the Taylors Have recorded their weekly grocery expenses for the past 12 weeks and determined that the mean weekly expense was 60.26. Later , Mrs.Taylor discovered that 1 weeks expense of $74 was incorrectly recorded as $47.
We can find the correct mean weekly expenses by calculating the mean of difference between 74 and 47, then adding it to the given mean weekly expenses.
Now let us add 2.25 in 60.26 to find the correct mean weekly expenses.
Therefore, the correct mean weekly expenses for the Taylors will be 62.51.