Hello,
To solve this function for f(4) we need to plug 4 into f(x) and the result will be our answer. We know that f(x) is

. Plugging in 4 we get

. Therefore, f(4)=41. Hope this helps!
Because, that's just how math works.
Answer:
$62.10
Step-by-step explanation:
The difference is $6.90
Hope this helps.
Answer:
Step-by-step explanation:
Step 1: Calculate the mean.
Step 2: Calculate how far away each data point is from the mean using positive distances. These are called absolute deviations.
Step 3: Add those deviations together.
Step 4: Divide the sum by the number of data points.