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View Full Version : F(x)-2x square root (x+4)


tzahra
Mar 18, 2010, 12:31 PM
and show that f'(x)=0 at some point between the two intercepts

Unknown008
Mar 19, 2010, 09:05 AM
1. Find the two intercepts.
2. Find f'(x).
3. Solve for f'(x)=0
4. If the x coordinate of what you solved for f'(x) is between the two intercepts, then you have your proof.