Answer
a.
numerical
b.
Input Description: rank in the military
Input Units: rank
Output Description: active duty military pay in 2009 for officers with 4 years of service.
Output Units: dollars
c.
function
d.
r (Rank)
↓
Rule r
↓
r(p) (dollars)
Work Step by Step
a. Because there is a data table, the representation of the data is numerical.
b. Since how much pay an officer receives is based on his rank. That makes the input rank and the output dollars. The description for input is found by looking at what they are ranked in, while the output is found by looking at when they paid for.
c. It is a function because no input has more that one output.
d. Draw the function in an input output/diagram.
