# Algebra 2

For 1980-1996 the total exports (in billions of dollars) of the U.S. can be modeled by E=-0.13t^3+5.033t^2-23.2t+233 where t I'd the number of years since 1980. In what year were the total exports about \$312.76 (use finding zeros to solve)

1. 👍 0
2. 👎 0
3. 👁 149

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