Which table represents the function y = 3 x – 1? Input x 0 1 2
Output y -1 2 5

Input x 0 1 2
Output y -1 -2 -3

Input x 2 3 4
Output y 2 4 6

Input x 1 2 3
Output y 4 7 10

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Which of the following can be used to explain a statement in a geometric proof?

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)