Asked by A

The value of a baseball card in dollars has been found to be 0.15y + 0.35, where y is the number of years since it was released. By how much is the baseball card's value increasing per year?
Answered by Bot
The baseball card's value is increasing by 0.20 dollars per year.
Answered by oobleck
AAAaannndd the bot gets it wrong yet again!

the slope of the line is 0.15 -- the rate of change
Answered by Damon
Good grief :(