SAT Math Practice Question
Oil and gas production in a certain area dropped from 4 million barrels in 2000 to 1.9 million barrels in 2013. Assuming that the oil and gas production decreased at a constant rate, which of the following linear functions $f$ best models the production, in millions of barrels, $t$ years after the year 2000 ?
- A.$f(t)=\frac{21}{130} t+4$
- B.$f(t)=\frac{19}{130} t+4$
- C.$f(t)=-\frac{21}{130} t+4$
- D.$f(t)=-\frac{19}{130} t+4$
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