The cost to rent a car is $39.50 plus $0.25 per mile. If you only have $80, what is the greatest number of miles that you can dr
1 answer:
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Given:
and
.
To find:
The value of f(5).
Solution:
We have,
For ,
For ,
For ,
For ,
Therefore, the value of is
.
Um.. Both of those equations are the exact same. Divide both sides of the first equation by 6. You get:
That is the exact same as the second equation. This system has an infinite number of solutions. 5x - 7y = -1 is a line, so basically every point on that line is a solution to the system.
For example,
and 
would work, but so would 
and 
That is the exact same as the second equation. This system has an infinite number of solutions. 5x - 7y = -1 is a line, so basically every point on that line is a solution to the system.
For example,
