What is the value of absolute function $|-4|?$

Evaluate $f(-1)\ in\ f(x)=|x+1|.$

Evaluate $f(-5)\ in\ f(x)=|x|-3.$

Evaluate $f(-1)\ in\ f(x)=|x|.$

Evaluate $f(-10)\ in\ f(x)=|x|.$

What is the value of absolute function $2|x+1|$ for $x=2$

Evaluate $f(4)\ in\ f(x)=|x|-3.$

Evaluate $f(-4)\ in\ f(x)=|x|.$

Evaluate the absolute function  $-|x+8|$ for $x=4$

Evaluate the absolute function $|x-7|$ , for $x=5$