Some please help, select all the intervals where g is increasing
2 answers:
Answer:
These are interval for increasing (doesnt include relative max-min)
Step-by-step explanation:
Increasing means when we input the value of x and we get the increase of y-value.
A bit hard to imagine? You can look at the graph instead. The name already says it all, Increasing Graph. The graph keeps rising and rising till the max and that is increasing.
The decreasing is when the graph decreases to minimum. The graph would face down for decreasing.
Since we only want the increasing. We look at the graph and tell which region does the graph face up and that is the increasing.
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Answer:
Janice and Karen could do in 1 day:
- <u>20% of the job</u>.
Step-by-step explanation:
To identify how much of the job could janice and caren do in 1 day, first, we must find how much of the job make just 1 person at the same rate:
If three persons make a job in 3 1/3 days, 1 person make the job in x:
- 3 persons ⇒ 3 1/3 days or 10/3 days
- 1 person ⇒ x
Then:
(we cancel the unit "persons")
- x = 10 days
Just a person would need 10 days to complete a job, now, we're gonna divide this value in 2 to obtain the time that need two persons to complete a job:
- Time to complete a job between 2 persons =
- Time to complete a job between 2 persons = 5 days
How two persons need 5 days to complete a job (in this case, the two persons are Janice and Karen), we can make a simple rule of three to obtain the percentage made in 1 day:
- 5 days ⇒ 100% of a job
- 1 day ⇒ x
Then:
(you can use the % if you want, the result is the same)
As you can see, <u><em>Janice and Karen just in a day could do 20% of the job</em></u>.