For a given input value $v$, the function $f$ outputs a value $u$ to satisfy the following equation.
$u-5=-4(v-1)$
**Write a formula for $f(v)$ in terms of $v$.**
$f(v)=$ [[☃ expression 1]]
Learn To Be brings free online tutoring students around the United States. Volunteer and gain community service hours while helping students who need it./p>