Answer: <span>The number of minerals mined in 45 seconds </span> Explanation: The given equation is: M(s) = 250 + 0.8s
Let's check each term in this equation: M(s) represents the minerals mined in s seconds 250 is the initial value 0.8s represents the rate of increase of the minerals mined in s seconds
Now, based on the above: M(45) would represent the minerals mined at s=45 seconds