Write f(x)=(x-2)(×+2)(×+1)^2 as a polynomial function.

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Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Find cot x if sin x cot x csc x = √2