determine the vertex of the function f(x) = 2(x - 5)2 + 8.
a.(8-5)
b.(8,5)
, 8)
d.(5.8)

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).

Reflect the point (7,0) across the y-axis

Standard deviation of 19,29,21,22,23