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["f(x) =ax^4 +bx^3 +cx^2 + dx +e    Fjerdegradsfunksjon"]
["a =",1,"b =",4,"c =",-7]
["d =",-22,"e =",24]
["Verdi for f(x) når:","x =",1,"f(x) =",0]
["Verdi for x når:","f(x) =",2,"=>"]
["x har 4 verdier:"]
["x_1 =",-4.0614181882371101]
["x_2 =",-2.9046571021396499]
["x_3 =",0.90465710213964501]
["x_4 =",2.0614181882371101]
["Skjæring 1.akse:    f(x) =0  =>"]
["x har 4 verdier:"]
["x_1 =",-4]
["x_2 =",-3]
["x_3 =",1]
["x_4 =",2]
["Skjæring 2.akse:","f(0) =",24]
["Vekstfart når:","x =",0.5,"f'(x) =",-25.5]
["Vendepunkt:    f''(x) =0  =>"]
["x har 2 verdier:"]
["x_1 =",0.47196014438797462,"f(x_1) =",12.527777777777775]
["x_2 =",-2.4719601443879746,"f(x_2) =",12.527777777777779]
["Stasjonære punkter:"]
["Bunnpunkt når x_1 =",1.5495097567963922,"f(x_1) =",-6.25]
["Bunnpunkt når x_2 =",-3.5495097567963922,"f(x_2) =",-6.2500000000000142]
["Toppunkt når x_3 =",-1.0000000000000002,"f(x_3) =",36]
["Mulig feilmelding:"]
["Verditabell:"]
["x_min =",-5,"x_max =",5,"steg =",0.5]
["x","f(x)"]
[-5,84]
[-4.5,26.8125]
[-4,0]
[-3.5,-6.1875]
[-3,0]
[-2.5,11.8125]
[-2,24]
[-1.5,32.8125]
[-1,36]
[-0.5,32.8125]
[0,24]
[0.5,11.8125]
[1,0]
[1.5,-6.1875]
[2,0]
[2.5,26.8125]
[3,84]
[3.5,182.8125]
[4,336]
[4.5,557.8125]
[5,864]