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Suppose that the imports from a certain country grew from about 42 billion dollars in 1992 to 60 billion dollars in 1998

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Suppose that the imports from a certain country grew from about 42 billion dollars in 1992 to 60 billion dollars in 1998.

Let x=0 correspond to 1992. Estimate the imports? (in billions of? dollars) for the year 1999.

?(Assume the data can be modeled by a straight? line.)

a. Which linear equation best models the? imports?

y=3x+42?

y=-3x+42?

y=42x-3?

b. In 1999?, the imports were approximately -------

billion dollars