<h3><u>Explanation</u></h3>
A function is a set of relation without repetitive domain. That means we cannot have the same value of x in a set.
<u>Example</u>
{(1,1),(1,2),(2,4),(3,9)}
This is not a function because the relation has same two x = 1 which does not make it a function.
{(1,1),(2,4),(3,9)}
This is a function because there are no same x-values or repetitive domain in a single set.
Back to the question, we can find which table represent a function by looking at the x-value table. If there are two same or more x-values, it is not a function.
<h3>
<u>Answer</u></h3>
The answer is the left bottom table as the other table have two same x-values.
Every number has factors. Some numbers share factors. To
simplify a fraction, divide the numerator and the denominator,
each separately, by the factors they share
in common. The only common factor, at the end, should be 1.
Here's an example:
I first divided by 9 and ten by x.
S flipped over the y-axis is T
The <u>correct answer</u> is:
0.872.
Explanation:
The correlation coefficient of a regression line is a measure of how closely the line fits our data. Negative correlation coefficients represent decreasing lines; positive correlation coefficients represent increasing lines.
The closer a correlation coefficient is to +1 or -1, the better the fit; a perfect positive fit is r=1 and a perfect negative fit is r=-1.
We can see in the graph that the line is very close to our data, so it is a pretty good fit.
The line is increasing; this means we want a correlation coefficient that is close to 1.
The best choice is 0.872.
Answer:
C
Step-by-step explanation:
This is the only possible correct answer because the other three all show the final price as 0.90x, which is correct since the price is the normal one minus 10 percent. C is incorrect because it suggests the normal price has a 10% tax, or extra value on it.