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1 answer:
The correct option regarding whether the equation x² = y² is a function is:
No, since if you solve the equation for x, then
In a function, each value of x can be associated with only one value of y.
In this problem, the equation is:
Then:
x is associated with two values, and
, hence it is not a function.
A similar problem, in which we verify if a relation is a function, is at brainly.com/question/12463448
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Answer:
NO, as per study, I cant see any other problem than the sample size in the procedure.
From the graph there is a slight quadratic relationship between temperature and number of O-rings.
As in the graph, we can see that above 50°F but below 55°F number of O-rings in 3 but after 55°F as temperature goes on increasing the number of O-rings decreases and remains constant up to 70°F and above 70°F the number of O-rings increases to 2. Hence, we can say that there is a relationship between temperature and number of O-rings.
If we want to fit a linear regression through these seven observations, the slope would be positive as linear regression line passes through the average.
Looking at the relationship, slope must be significantly different from zero as there is a relationship between two variables, where as slope significantly zero implies no relationship. However, we have only seven points so drawing a conclusion is difficult as the nature of the relationship is not clearly visualized by this graph.
<h2>Answer</h2>
The answer to this question is 0.9
<h2>Explanation</h2>We know that
sequre of 9 is equal to 81 as
Then sequre of 0.9 will be
So,
b =
b =
Exponent and square root cancel out each other
So, the answer is 0.9.