Question

Describe whether each of the following is linear or not linear. In each case, explain your answer.

Answer 1

A. 3x+4y+2=0 ----------linear

B. X= 2,4,6,8 Y=1,5,15,30 -------nonlinear

C. You have a secret that you tell to one person. Every hour, each of the people that know the secret tells one person. The number of people who know is N, and t is the number of hours since you told the first person. Is N a linear function of t? ----------linear