Graph the function y = 2x3 – x2 – 4x + 5. to the nearest tenth, over which interval is the function decreasing? (1, ∞) (–∞, –0.7) (–0.7, 1) (–1, 0.7)

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

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 do you find the circumfrance of a circle?