The median home price in the United States over the period January 2010-January 2015 can be approximated P(t) = 4.5t2-15t + 180 thousand dollars (0 t s 5), where t is time in years since the start of 2010.t Find P(t) and P(4). P'(t) = P'(4) = What does the second answer tell you about home prices? HINT [See Example 2.) thousand dollars per year The median price of a home was increasing at a rate of s per year in Need Help? Read