G -1 (x) = -2x + 3 (x + 3)/2 2(x + 3)

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

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?