Since Y is a function of X that matches any value of X a number less than it for 3
Choose the table corresponding to the function description.
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Since Y is a function of X that matches any value of X a number less than it for 3
Choose the table corresponding to the function description.
The problem requires us to identify a table corresponding to the function described by . We will calculate for each provided in the choices.
Applying the formula, for choice 1 where :
For choice 2 where :
For choice 3 where :
For choice 4 where :
Choosing from these computations, the first table matches the description , where for gives respectively.
Therefore, the table corresponding to the function description is choice 1.
Is the given graph a function?
This phrase means Y = X - 3. The key words are 'less than it for 3' which tells us to subtract 3 from each X-value to get the corresponding Y-value.
Look at the X-row first, then check the Y-row below it. Each column shows an (X,Y) pair. For example, if X = 0 and Y = -3, that's the point (0, -3).
Because we're subtracting 3 from each X-value! When X = 0, we get Y = 0 - 3 = -3. When X = 1, we get Y = 1 - 3 = -2. This is normal for .
Pick any (X,Y) pair from the table and substitute: Does Y equal X minus 3? If all pairs satisfy this rule, you've found the right table!
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