Use the inequality x^3+√8x -3 ≤0 and this tool for graphing two functions to answer Part A and Part B. Part A: What is the value of the zero of the inequality, to the nearest hundredth?

Part B: What is the solution to the inequality?

Select one answer for Part A, and select one answer for Part B.

A: x=0.38
A: x=0.75
A: x=0.79
A: x=0
B: [0,0.79]
B: [0.38,∞)
B: (−∞,0]
B: [0,0.75]

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.