Answer:
Uhm....attach the photo
Step-by-step explanation:
we are given

Since, we have to find inverse of this function
step-1: we set f(x)=y

step-2: switch x and y

step-3: Solve for y

now, we can use quadratic formula


or
..............Answer
Answer:C. Ordinal
The data should not used to calculate the average.
Step-by-step explanation: Ordinal level of measurement is the second level of measurement that is concerned with ordering, ranking and classification of data,it does not show the rate or degree of variation between a set of data.
Stanley Smith Stevens is the one who classified data into four levels of measurement,he is a psychologist and a statistician, the data collected should not be used to calculate the AVERAGE of a set of numbers.
Answer:
the third one is the correct answer
Step-by-step explanation:
hope that helps