Step-by-step explanation:
For the inverse function put f(x) =y.
Then exchange x by y and then again separate y. The new value of y is the inverse function of f(x).
You have not written the value of function in the question so I have given just tips to solve it.
The 99.87th percentile, or the area to the left of the 3 standard deviation mark it 99.87% better than everyone/everything else.
Answer:
Her weekly expenses is $234
Step-by-step explanation:
At $7.20 per kilogram
From selling 90 kg, she will have
$7.20 × 90
= $648
If her net profit is $414
To get her expenses, we subtract net profit from total income
$648 - $414
= $234
