Which of the following shows the polynomial below written in descending order

When it asks for descending order of the polynomial it wants you to put the exponents in order from largest to smallest like so...

C.

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Option C

Step-by-step explanation:

In this question the given polynomial is 4x³ + 3x⁷ - 9x + x¹²

If we rewrite it in the descending order of the powers then the polynomial will be

x¹² + 3x⁷ +4x³ + 9x

This polynomial matches with option C.

Option C is the answer.

45.3592

step-by-step explanation:

x =±sqrt(1/3)

step-by-step explanation:

x+4/6x=1/x

multiply each side by 6x to get rid of the fractions

6x*(x+4/6x)=1/x*6x

distribute

6x^2 +4 = 6

subtract 4 from each side

6x^2 +4-4 = 6-4

6x^2 =2

divide by 6

6x^2/6 = 2/6

x^2 = 1/3

take the square root of each side

sqrt(x^2) = ±sqrt(1/3)

x =±sqrt(1/3)