HunterJohnson Posted April 26, 2012 Author Report Share Posted April 26, 2012 graphing it or solving for f(2) will both work first derivitive gives you the slope of f(x) at x set f'(x) to 0 to find points of inflections, slope of first graph is 0 at point x then from there it's just figuring out if you have an absolute min or max once you find out where your inflection points are you put those back into f(x) it's been a while since i've done this so sorry if the explanation sucks lol I get that but why f(2)? when my point was -2? I put in -2 into f(x) and I got -11, I must be putting it in the calculator wrong Quote Scion tC SQ BuildiPad mini, lots of fabrication, daily drivenFord Explorer C Pillar Wall Build Just a cheap car to destroy with bass Link to comment Share on other sites More sharing options...
irpirate Posted April 26, 2012 Report Share Posted April 26, 2012 errr sorry, negative 2 lol Quote hiiiiiiii2002 4runner - buncha speakers n amps n shit (gone)1994 astro - more stuffzupdate: pretty sure all the pic links in the logs are broken lol. ma slop garb build log16 12's 4th order4runner rebuild in progressclickkk meeeee!!!! 4 18's 6th orderUBL - clickyhttp://www.youtube.com/yyj11589 lots of hater kids here. Pay no attention, they just want 89,000 watt subs for 3.50If you would have put a dc dustcap on it and called it lv your mom, they would all be in love Link to comment Share on other sites More sharing options...
HunterJohnson Posted April 26, 2012 Author Report Share Posted April 26, 2012 (edited) Take first derivative and set equal to zero.. if u got the x value right u should just have to plug it into the equation and get a y value. But I'm drunk tired Nd failing calc 3 good luck bro hahaha calc is horrible! But I have a B and struggling the fuck through it, especially when I have these sitting in my room waiting for a box in my car! forget math and work on my audio lol Edited April 26, 2012 by HunterJohnson Quote Scion tC SQ BuildiPad mini, lots of fabrication, daily drivenFord Explorer C Pillar Wall Build Just a cheap car to destroy with bass Link to comment Share on other sites More sharing options...
KickerKid58 Posted April 26, 2012 Report Share Posted April 26, 2012 (edited) Just graph the function on your calculator (guessing you have a ti83 or 84) and hit 2nd, calc, minimum, then move the cursor left of the min &hit enter, right of the min &hit enter, then enter once more should give ya coordinates Edit, yeaaaaaa that shit can get distracting real quick haha Edited April 26, 2012 by KickerKid58 Quote 06 Jeep Grand Cherokee 2 DC Level4 12" Soundstream TA1.3000d 4 RF Punch 6.5" Components 2 RF Punch 3.5" 2-ways RF Prime 400.4D XS Power XP950 +&-run of XScorpion 1/0 OFC My Civic Build Link to comment Share on other sites More sharing options...
SoCaLBaMF Posted April 26, 2012 Report Share Posted April 26, 2012 This is Yuey figuring it out.. Quote 2004 Bagged Trailblazer (4)18" Sundown Nsv3s (4) Taramps HD10000s, Taramps DSP3000, Lanzar opti 250x2, AB 100x4 (2)DC power SP 270s, (14)XS Power d3100s, (1)d6500 Link to comment Share on other sites More sharing options...
irpirate Posted April 26, 2012 Report Share Posted April 26, 2012 lmao. i like that one Quote hiiiiiiii2002 4runner - buncha speakers n amps n shit (gone)1994 astro - more stuffzupdate: pretty sure all the pic links in the logs are broken lol. ma slop garb build log16 12's 4th order4runner rebuild in progressclickkk meeeee!!!! 4 18's 6th orderUBL - clickyhttp://www.youtube.com/yyj11589 lots of hater kids here. Pay no attention, they just want 89,000 watt subs for 3.50If you would have put a dc dustcap on it and called it lv your mom, they would all be in love Link to comment Share on other sites More sharing options...
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