SOLUTION: ! 19. The number of weeds on a lawn can be written as the function W(d)=25d+60,where d represents the number of days since spring started.C. What are the units For the rate of chan

Question 879316: ! 19. The number of weeds on a lawn can be written as the function W(d)=25d+60,where d represents the number of days since spring started.C. What are the units For the rate of change! Please help me !
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
In terms of just words:
( number of weeds on lawn ) = ( rate of change ) * ( number of days since spring started )
+ ( a fixed number of weeds )
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( number of weeds on lawn ) - ( a fixed number of weeds ) = ( rate of change ) * ( number of days since spring started )
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( rate of change ) = ( Number of weeds on lawn + fixed number of weeds ) / ( number of days since spring started )
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You could say the rate is in units of: ( weeds ) / ( days )

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