Margaret noticed some students in her class like to write with short pencils, while others were using long pencils. She measured
1 answer:
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Answer:
a) Domain =
b)
c) 53.03 worker hours
d) 83.33 worker hours
e) 83.33 worker hours
Step-by-step explanation:
We are given the following in the question:
where W(x) is the number of worker-hours required to distribute new telephone books to x% of the households in a certain rural community.
a) Domain of function.
The domain is the all the possible values of x that the function can take.
Domain =
b) Values of x
Since x is a percentage in reference to context, it can only take value upto 100. Also it cannot take any negative value.
So domain n reference to context will be
c) worker-hours were required to distribute new telephone books to the first 70% of the households
53.03 worker hours were required to distribute new telephone books to the first 70% of the households.
d) Worker hour for entire community
For entire community, x = 100
83.33 worker hours were required to distribute new telephone books to the entire households.
e) Percentage of the households in the community for 3 worker hours
Thus, 4.74% of the households in the community had received new telephone books by the time 3 worker-hours had been expended.