Find the vertex of the function given below. y = x^2 - 4x + 1

A. (2,-3)
B. (-2, 13)
C. (4,1)
D. (1,5)

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

What is the value of f(x) = 2.2 for f(-2)?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.