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UNO [17]
3 years ago
12

A linear function that represents the number of hot dogs purchased at a football game is compared to a different linear function

that represents the time left in the game. Describe the key features of the functions that are needed to determine if these lines intersect.
Mathematics
1 answer:
Vsevolod [243]3 years ago
5 0

Answer:

Key features: the functions can not be parallels, this means that their respective slopes can not be equal or multiple to the other

Step-by-step explanation:

Take for instance 2 linear functions,  and

If they intersect in some point in the space, say that is

Then (x1,y1)=(x3,y3), (x2.y2)= (x3,y3)

So, we can compare the two functions and get the following result;

It tells us that if M=m, we get an error, meaning that the functions are in fact parallels and there is no way that they meet in some point.

hope this helps!

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