Choose the one alternative that best completes the statement or answers the question.
Evaluate the expression.
-$\left( \begin{array} { l } 4 \ 1 \end{array} \right)$
A) $\frac { 4 } { 2 }$
B) 4
C) 1
D) $4 !$

Question

Quizplus · Accepted Answer

$\left( \begin{array} { l } 4 \ 1 \end{array} \right) = \frac{4!}{1!(4-1)!} = \frac{4}{1} = 4$. This is a binomial coefficient, representing the number of ways to choose 1 item out of 4, which is simply 4.

Choose the One Alternative That Best Completes the Statement or Answers