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which explains why the graph is not a function?
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no
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it is not a function because the points are not connected
to each other.
it is not a function because the points are not related by
a single equation.
it is not a function because there are two different x-
values for a single y-value.
it is not a function because there are two different y-
values for a single x-value.
-5-4-3-2-1
3
4
5
x
wn -

In a school 2/3 of the students study a language of those who study a language 2/5 study french

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes