What is the length of line segment bc?

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?