You can model the population of a certain city between the years 1955 and 1995 by the radical function P(x) = 80000^3√x-1940. Using this model, in what year was the population of that city 290,000?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?

How many grams the dog will eat in 3 days?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn