The mean score on a calculus exam was 40 and the standard deviation was 5. The teacher decided to double everyone’s score, and then added 7 points. What are the values of the mean and standard deviation of the distribution of transformed exam scores?

mean = 80 and standard deviation = 5
mean = 80 and standard deviation = 10
mean = 87 and standard deviation = 5
mean = 87 and standard deviation = 10
mean = 87 and standard deviation = 17

Someone answer this asap for the function f(x) and g(x) are both quadratic functions. f(x) = x² + 2x + 5 g(x) = x² + 2x - 1 which statement best describes the graph of g(x) compared to the graph of f(x)? a. the graph of g(x) is the graph of f(x) shifted down 1 units. b. the graph of g(x) is the graph of f(x) shifted down 6 units. c. the graph of g(x) is the graph of f(x) shifted to the right 1 unit. d. the graph of g(x) is the graph of f(x) shifted tothe right 6 units.