2. y = x² + 2x + 1 A. The domain is:
B. The range is:
C. The x-intercept(s) is/are:
D. The y-intercept is:
E. The vertex is:
F. The axis of symmetry is:

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).

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Ratio of circumference to diameter example plz i need to now what it looks like.