For what value of x is the rational expression below undefined? 3x-5/x-6
2 answers:
Answer:
For x = 6 function would be undefined .
Step-by-step explanation:
Given : .
To find : what value of x is the rational expression below undefined.
Solution : We have given that .
Undefined function : The value at which denominator of function is zero .
Then ,
We can see denominator is x-6
For x = 6
6- 6 = 0 .
Therefore, For x = 6 function would be undefined .
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Mean = 12000
Standard Deviation = 2000
We have to find how many standard deviations is 14,500 away from the mean.
This can be achieved by calculating the z-score
Z-score tells us how many standard deviations above or below is a sample value from the mean. A positive z value shows, sample value is above the mean.
z score can be calculated as = (Sample Value - Mean )/Standard Deviation)
So,
Z-score =
This means, 14,500 is 1.25 standard deviations above the mean value 12,000.
Standard Deviation = 2000
We have to find how many standard deviations is 14,500 away from the mean.
This can be achieved by calculating the z-score
Z-score tells us how many standard deviations above or below is a sample value from the mean. A positive z value shows, sample value is above the mean.
z score can be calculated as = (Sample Value - Mean )/Standard Deviation)
So,
Z-score =
This means, 14,500 is 1.25 standard deviations above the mean value 12,000.