3) punction gives the distance of a dog
from a post, in feet, as a function of time,
in seconds, since its owner left.
find the value of $(20) and of f(140).
distance from post in feet
20
40
60
80
100 120 140
function c gives the cost, in dollars, of buying n apples. what does each expression
or equation represent in this situation?
a. 8) = 4.50
b. c(2)