[k9handler]

Answer the following questions and if required to do calculations please show your work:

Thanks, got all A's for the week 1 assignments.

More help if you can.

1. Which of the following are functions? Explain your reasoning for a, b, and c.

a. f(x) = 2 if x>1 otherwise f(x) = -1

b. f(x) = 5 if x>0 or f(x) = -5 if x<0 or f(x) = 5 or -5 if x = 0

c. f(x) = x/10