Which of the following statements have the same result? explain each step in solving each one.

f(2) when f(x) = 3x + 2
f-1(3) when f(x) = 2 x minus 7, all over 3
2y + 14 = 4y - 2

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables