Jason has already read 27 pages of a book. He plans to read 3 pages of the book every day. If f(n) represents the total number o
2 answers:
Answer:
D.
Step-by-step explanation:
Total number of pages in a book=f(n)
Jason has already read pages=27
He plans to read pages of the book everyday=3
He takes times to complete reading the book=n days
He read pages in n days=3n
We have to find the function which represents the relationship between f(n) and n.
According to question information
This is required relation between f(n) and n.
Answer:D.
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Answer:
In 17th year, his income was $30,700.
Step-by-step explanation:
It is given that the income has been increasing each year by the same dollar amount. It means it is linear function.
Income in first year = $17,900
Income in 4th year = $20,300
Let y be the income at x year.
It means the line passes through the point (1,17900) and (4,20300).
If a line passes through two points and
, then the equation of line is
The equation of line is
Add 17900 on both sides.
The income equation is y=800x+17100.
Substitute y=30,700 in the above equation.
Subtract 17100 from both sides.
Divide both sides by 800.
Therefore, in 17th year his income was $30,700.