An approximation of the amount in billions of dollars that Americans have spent on their pets from 2001 to 2006 can be obtained by substituting a given year for $x$ in the expression $1.743 x-3293$. How has the amount Americans have spent on their pets changed from 2001 to 2006 ?
A) It has decreased.
B) It has increased a little.
C) It does not really change.
D) It has largely increased.

Question

Quizplus · Accepted Answer

The expression given is linear and increases as $x$ increases. Substituting the years 2001 and 2006 into the expression will show an increase in the amount spent, indicating a large increase over the given period.

An Approximation of the Amount in Billions of Dollars That xxx

An Approximation of the Amount in Billions of Dollars That $x$