The graph of y=f(x)y=f(x) is the solid black graph below. Which function represents the dotted graph?

Can someone me with my hwplz(only the circled ones)

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Given abc find the values of x and y. in your final answer, include all of your calculations.