which of the following shows the polynomial 3x^3 - 5x + x^7 + 9 + 4x^11 written in descending order?

Answer:
4x^11+x^7+3x^3-5x+9
Its highest to lower based on the exponential number
our exponential numbers are: 3, 1, 7,0,11 putting those from highest to lowers would put them: 4x^11+x^7+3x^3-5x+9