Which function is the inverse of f(x)= 2x+3? A) f^-1(x) = -1/2 x - 3/2
B) f^-1(x) = 1/2x - 3/2
C) f^-1(x) = -2x+3
D) f^-1(x) = 2x+3

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).

Bring the fraction a/a-4 to a denominator of 16-a^2

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder