The following table gives the number of passenger cars, in millions, in the United States, C, as a function of years, t. We have . Is f ''(t) positive or negative?

Question

The following table gives the number of passenger cars, in millions, in the United States, C, as a function of years, t. We have  . Is f ''(t) positive or negative?

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The Answer of The following table gives the number of passenger cars, in millions, in the United States, C, as a function of years, t. We have  . Is f ''(t) positive or negative?

The Following Table Gives the Number of Passenger Cars, in Millions