Which table does not represent a function? a. x f(x) 0 1 2 3 3 4 4 5 5 6 6 7 b. x f(x) -3 9 -2 4 -1 1 0 0 1 1 2 4 c. x f(x) 0 3 2 3 3 3 4 3 5 3 6 3  d. x f(x) 0 -1 2 3 0 4 2 5 0 6 2 7

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95