Given a polynomial f(x), if (x+3) is a factor, if f(x)=-3

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).