Which choice is equivalent to the expression below when y is greater or less than 0?

ANSWER

A. y√y

EXPLANATION

The given expression is:

We factor the perfect square in the first two terms to obtain;

This simplifies to:

We simplify to get;

The correct choice is A.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)