Write a polynomial function in standard form with the given zeros. x = 3, -1, -7

Choose the correct answer below.

A. f(x) = x3 - 5x² – 17x + 21
B. f(x) = x3 + 5x2 – 17x- 21
C. f(x) = (x - 3)(x + 1)(x + 7)
D. f(x) = (x+3)(x - 1)(x - 7) E. f(x)=- 21 + x3 – 17x + 5x2
F. f(x) = 21 + x3 – 17x - 5x2

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.