Question

A graphing calculator is recommended.

Answer 1

Answer:

$Q(3\,min) = 0.349\,pd$

Step-by-step explanation:

The expression for the salt in the barrel is:

$Q(t) = 6\cdot (1-e^{-0.02\cdot t})$

The quantity of salt in the barrel after 3 minutes is:

$Q(3\,min) = 6\cdot [1-e^{-0.02\cdot (3\,min)}]$

$Q(3\,min) = 0.349\,pd$