Which of the following rules represents the function shown in the table? -f(n) = 1/3n
-f(n) = 3 n
-f(n) = n + 3

help please and thank you

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)