Value: 4 Which statement is incorrect about functions?
a. For each item in the domain there is only one item associated with it in the range.
b. For each item in the range there is only one item associated with it in the domain.
c. Given the function y=f(x) = 2x +1, when x=1, f(1)=3.
d. Given the function y=f(x)=x, when x = 2, f(2) = 2.

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.

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.