Find f-1(x)for f(x)=-3x+2 and state whether or not it is a function.

answer is a

What situation is an example of an observational study

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.