Question

Determine whether the function rule models discrete or continuous data.
Function #1: A movie store sells DVDs for $15 each. The function C(d) = 15d relates the total cost of movies to the number purchased d.

Function #2: A produce stand sells roasted peanuts for $2.99 per pound. The function C(p) = 2.99 relates the total cost of the peanuts to the number of pounds purchased p.

A. Functions #1 models discrete data
Function #2 models discrete data

B. Functions #1 models continuous data
Function #2 models discrete data

C. Functions #1 models continuous data
Function #2 models cont

Answer 1

I've never bought 3/4 of one DVD. Have you? Think of what this tells you about "discrete" versus "continuous."