M(x) = 3x^3–2x+4x^2–x+5 N(x) = 2x^2–x+3x^3–3x^2+9 a). Thu gọn các đa thức trên theo lũy thừa giảm dần của biến b). Tính M(x)+N(x) c). Tìm nghiệm của đa thức P(x)=M(x)+N(x)–6x^3–3x^2–2x

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?