The distance between New York and Philadelphia by railroad is 90 miles; the distance between them by river and ocean is 240 mile
1 answer:
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Answer:
Step-by-step explanation:
Let
r ----> the number of readers (y-coordinate or dependent variable)
t ----> the number of years after 2000 (x-coordinate or independent variable)
Remember
2004 ----> represent t=4 years
2014 ----> represent t=14 years
we have the ordered pairs
(4,1,000,000) and (14,2,000,000)
step 1
Find the slope
The formula to calculate the slope between two points is equal to
substitute the values
step 2
Find the equation of the line in point slope form
we have
substitute
step 3
Convert to slope intercept form
isolate the variable r
step 4
Convert to function notation
Answer:
Option D.
Step-by-step explanation:
We need to find the quotient of
It can rewritten as
The required expression is .
Therefore, the correct option is D.