how about just treating it like 2 ordered pairs
(1991, 4.25) and (1997, 5.15) ?
rate of change = (5.15-4.25)/(1997-1991)
= .15
. In 1991 the federal minimum wage was $4.25. In 1997 the federal minimum wage was $5.15. Find the rate of change (slope) for the federal minimum wage between 1991 and 1997.*Hint: let 1991 and 1997 be the domain and let $4.25 and $5.15 be the range
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