Government economists of a developing country determined that the purchase of imported perfume is related to a proposed "luxury tax" by the following formula where N(x) measures the percentage of normal consumption of perfume when a "luxury tax" of x% is imposed on it. N(x) = 10,000 − 40x − 0.02x2 (0 ≤ x ≤ 200) Find the rate of change of N(x) for taxes of 10%, 100%, and 145%. (Round your answers to three decimal places.) 10% tax 100% tax 145% tax

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.