Re: Determine the "value range" of a function

*To*: mathgroup at smc.vnet.net*Subject*: [mg27170] Re: [mg27157] Determine the "value range" of a function*From*: BobHanlon at aol.com*Date*: Fri, 9 Feb 2001 03:10:18 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

f[x_] := Sin[x]; f /@ (x /. Solve[D[f[x], x] == 0, x]) {-1, 1} Bob Hanlon In a message dated 2001/2/8 4:46:46 AM, Heidenreich at helimail.de writes: >maybe its trivial but how can i determine the "value range" of a function? >like f(x)=Sin(x) -> Range =-1..1 >