Which one is not a function? And why not ?
1 answer:
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Let us say "y" coordinate represents number of movies and "x" coordinate represents number of months.
Movies watched in 1st month = 6
so we can say first ordered pair is (1,6)
Movies watched in 2nd month =6
so we can say second ordered pair is (2,6)
Now we have two points here (1,6) and (2,6)
We can use formula for slope as :
slope = 0
The slope of a horizontal line. A horizontal line has slope 0 because all its points have the same y-coordinate. As a result, the formula used for slope evaluates to 0.
The graph is shown here:
The equation of graph would be y=6.
For this case we must find the value of the following expression:
When:
Substituting the given values we have:
Finally, the value of the expression is 394.
Answer:
The value of the expression is 394.