How many distinct ways can the word robbers be arranged

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

Me i’m stuck on all these questions besides the two bottom ones

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample