Para hallar los extremos hay que resolver la ecuación
$$\frac{d}{d x} f{\left(x \right)} = 0$$
(la derivada es igual a cero),
y las raíces de esta ecuación serán los extremos de esta función:
$$\frac{d}{d x} f{\left(x \right)} = $$
primera derivada$$5^{x} \log{\left(5 \right)} + \sin{\left(x \right)} = 0$$
Resolvermos esta ecuaciónRaíces de esta ecuación
$$x_{1} = -97.3893722612836$$
$$x_{2} = -43.9822971502571$$
$$x_{3} = -72.2566310325652$$
$$x_{4} = -59.6902604182061$$
$$x_{5} = -31.4159265358979$$
$$x_{6} = -15.7079632679321$$
$$x_{7} = -78.5398163397448$$
$$x_{8} = -25.1327412287183$$
$$x_{9} = -21.9911485751286$$
$$x_{10} = -94.2477796076938$$
$$x_{11} = -50.2654824574367$$
$$x_{12} = -75.398223686155$$
$$x_{13} = -18.8495559215389$$
$$x_{14} = -28.2743338823081$$
$$x_{15} = -56.5486677646163$$
$$x_{16} = -65.9734457253857$$
$$x_{17} = -40.8407044966673$$
$$x_{18} = -0.626992761742656$$
$$x_{19} = -91.106186954104$$
$$x_{20} = -6.28325060076663$$
$$x_{21} = -100.530964914873$$
$$x_{22} = -69.1150383789755$$
$$x_{23} = -62.8318530717959$$
$$x_{24} = -87.9645943005142$$
$$x_{25} = -53.4070751110265$$
$$x_{26} = -84.8230016469244$$
$$x_{27} = -9.42477754482293$$
$$x_{28} = -0.626992761742671$$
$$x_{29} = -3330.08821280518$$
$$x_{30} = -12.5663706170086$$
$$x_{31} = -3.13116731758454$$
$$x_{32} = -232.477856365645$$
$$x_{33} = -37.6991118430775$$
$$x_{34} = -81.6814089933346$$
$$x_{35} = -113.097335529233$$
$$x_{36} = -47.1238898038469$$
$$x_{37} = -34.5575191894877$$
Signos de extremos en los puntos:
(-97.3893722612836, 1)
(-43.982297150257104, -1)
(-72.25663103256524, 1)
(-59.69026041820607, 1)
(-31.41592653589793, -1)
(-15.70796326793209, 1.00000000001049)
(-78.53981633974483, 1)
(-25.132741228718345, -1)
(-21.991148575128552, 1)
(-94.2477796076938, -1)
(-50.26548245743669, -1)
(-75.39822368615503, -1)
(-18.849555921538865, -0.999999999999933)
(-28.274333882308138, 1)
(-56.548667764616276, -1)
(-65.97344572538566, 1)
(-40.840704496667314, 1)
(-0.6269927617426562, -0.445250785086423)
(-91.106186954104, 1)
(-6.2832506007666264, -0.999959428681772)
(-100.53096491487338, -1)
(-69.11503837897546, -1)
(-62.83185307179586, -1)
(-87.96459430051421, -1)
(-53.40707511102649, 1)
(-84.82300164692441, 1)
(-9.424777544822925, 1.00000025844198)
(-0.6269927617426709, -0.445250785086423)
(-3330.088212805181, -1)
(-12.566370617008637, -0.999999998353795)
(-3.1311673175845436, 1.00642316480239)
(-232.4778563656447, -1)
(-37.69911184307752, -1)
(-81.68140899333463, -1)
(-113.09733552923255, -1)
(-47.1238898038469, 1)
(-34.55751918948773, 1)
Intervalos de crecimiento y decrecimiento de la función:Hallemos los intervalos donde la función crece y decrece y también los puntos mínimos y máximos de la función, para lo cual miramos cómo se comporta la función en los extremos con desviación mínima del extremo:
Puntos mínimos de la función:
$$x_{1} = -43.9822971502571$$
$$x_{2} = -31.4159265358979$$
$$x_{3} = -25.1327412287183$$
$$x_{4} = -94.2477796076938$$
$$x_{5} = -50.2654824574367$$
$$x_{6} = -75.398223686155$$
$$x_{7} = -18.8495559215389$$
$$x_{8} = -56.5486677646163$$
$$x_{9} = -0.626992761742656$$
$$x_{10} = -6.28325060076663$$
$$x_{11} = -100.530964914873$$
$$x_{12} = -69.1150383789755$$
$$x_{13} = -62.8318530717959$$
$$x_{14} = -87.9645943005142$$
$$x_{15} = -0.626992761742671$$
$$x_{16} = -3330.08821280518$$
$$x_{17} = -12.5663706170086$$
$$x_{18} = -232.477856365645$$
$$x_{19} = -37.6991118430775$$
$$x_{20} = -81.6814089933346$$
$$x_{21} = -113.097335529233$$
Puntos máximos de la función:
$$x_{21} = -97.3893722612836$$
$$x_{21} = -72.2566310325652$$
$$x_{21} = -59.6902604182061$$
$$x_{21} = -15.7079632679321$$
$$x_{21} = -78.5398163397448$$
$$x_{21} = -21.9911485751286$$
$$x_{21} = -28.2743338823081$$
$$x_{21} = -65.9734457253857$$
$$x_{21} = -40.8407044966673$$
$$x_{21} = -91.106186954104$$
$$x_{21} = -53.4070751110265$$
$$x_{21} = -84.8230016469244$$
$$x_{21} = -9.42477754482293$$
$$x_{21} = -3.13116731758454$$
$$x_{21} = -47.1238898038469$$
$$x_{21} = -34.5575191894877$$
Decrece en los intervalos
$$\left[-0.626992761742656, \infty\right)$$
Crece en los intervalos
$$\left(-\infty, -3330.08821280518\right]$$