Given the function f(x)= 2x-3 find f(-1)

A. f(-1)= -2
B. f(-1)= -5
C. f(-1)= -1

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Factor the polynomial expression x6 – x3 – 20

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?