What is the domain of the funxtion f(x)=x+1/x^2-6+8
1 answer:
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238 students are enrolled in the 7th grade class this year
<u>Solution: </u>
Given that
Percentage decrease in number of students enrolled in 7th grade = 15%
Number of students enrolled last year = 280
Need to determine number of students enrolled in 7th grade this year.
Lets assume number of students enrolled this year = x
<em>Percentage decrease in enrollment </em>= (Number of student enrolled last year – Number of students enrolled this year) whole divided by number of students enrolled last year multiplied by 100
Hence number of students enrolled this year = 238.
Given:
To find:
Select the true statements from the given options about the given value.
Solution:
We have,
It can be written as
Clearly, the value of x lies between 4 and 5. So, and
.
Therefore, the correct options are C and D.