I simply worked f(7-x) out and got the answer exactly described in (d). And x ≠ 19/3 and 0 ≤ x ≤ 7 seem appropriate too. Now I wonder if there is any tricky thing in other areas. Would any fellow please take a look when you have time.
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Originally Posted by pozat I simply worked f(7-x) out and got the answer exactly described in (d). And x ≠ 19/3 and 0 ≤ x ≤ 7 seem appropriate too. Now I wonder if there is any tricky thing in other areas. Would any fellow please take a look when you have time. (d) is the answer
Since , . That's "d".
Last edited by HallsofIvy; December 28th 2009 at 04:21 AM.
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