Suppose that the consumer price index? (CPI), which measures the cost of a typical package of consumer? goods, stood at1259 in 1990 and1459

in 2000

Let x equal=0 correspond to? 1990, and estimate the CPI in1998

CPI in 1998?

CPI in 2001?

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

Which linear equation best models the? CPI?

y=-2x+1259

y=2x-1259

y=2x+1259