If f x x ( ) 4 2  
, then
f x( 1)  =
a.
2
4 6 2 x x   .
b.
2
4 2 2 x x   .
c.
4 2 x  .
d.
4 6 x  .
e.
4 1 x  .

What is the missing constant term in the perfect square that starts with x^2 -20x

Find the roots of the equation below. x^2 - 6 + 9 = 0

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