The function g(x) = x is transformed to obtain function h: h(x) = g(x + 7). Which statement describes how the graph of his different from the graph of g? O A. The graph of h is the graph of g horizontally shifted right 7 units. OB. The graph of h is the graph of g vertically shifted down 7 units. OC. The graph of his the graph of g vertically shifted up 7 units. OD. The graph of his the graph of g horizontally shifted left 7 units. ​

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