Find all values of x on the graph of f(x) = –2x^3 + 15x^2 – 12 at which there is a horizontal tangent line. a. x = 0 and x = –5 b. x = 0 and x = 5 c. x = –6 and x = –5 d. x = 1 and x = –1

Tom and lilly rented a house for $12,000 last year. at the start of the year they bought the house they had been renting directly from the owner for $250,000. they believe they could rent it for $12,000 this year, but stay in the house. how much does tom and lilly’s decision to buy the house change gdp? a. it reduces gdp by $12,000 b. it does not change gdp c. it raises gdp by $238,000 d. it raises gdp by $250,000