How do you find the domain and range for $f(x)=2x+4$ ?

Question

1238 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-07-04T02:46:33

Domain: $(-oo, +oo)$
Range: $(-oo, +oo)$

#f(x) is a straight line of slope +2 and y-intercept +4

$f(x)$ is defined $forall x in RR ->$ Domain = $(-oo, +oo)$

$f(x)$ has no upper or lower bounds $->$ Range = $(-oo, +oo)$

How do you find the domain and range for f(x)=2x+4f(x)=2x+4?