Select the expression that is equivalent to vert 4-3vert . 1 sqrt (7) 5 5

To solve this problem, we need to evaluate the expression $\vert 4-3\vert$.<br /><br />The absolute value function, denoted as $\vert x\vert$, returns the non-negative value of $x$. In other words, it removes the negative sign if $x$ is negative, and leaves the value unchanged if $x$ is non-negative.<br /><br />In this case, we have $\vert 4-3\vert$, which simplifies to $\vert 1\vert$. Since 1 is a non-negative number, the absolute value of 1 is simply 1.<br /><br />Therefore, the expression that is equivalent to $\vert 4-3\vert$ is 1.<br /><br />The correct answer is 1.