Let f be a function such that $f(x)=2x-4$ is defined by the domain $2<=x<=6$ , what is the range of this function?

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Answer 1 · 2018-03-20T20:17:26

Range: $f(x) in [0,8]$

Since $f(x)=2x-4$ is linear, its limit values correspond to the limits imposed by the domain (in this case $x in [2,6]$ )

$f(x)=2 * 2-4=0$
$f(6)=2 * 6 -4 =8$

Let f be a function such that f(x)=2x-4f(x)=2x-4 is defined by the domain 2<=x<=62<=x<=6, what is the range of this function?