Question

What is the range of the function f(x) = –2|x + 1|

Answer 1

`f\left(x\right)\le \:0`

Explanation:

`\mathrm{The\:range\:of\:an\:absolute\:function\:of\:the\:form}\:-c|ax+b|+k\:\mathrm{is}\:\:f\left(x\right)\le \:k`

`f(x) = -2|x + 1|+0`

`k=0`

`f\left(x\right)\le \:0`