\[1)\ y = \ln x + \sin x;\]
\[y^{'}(x) = \frac{1}{x} + \cos x.\]
\[2)\ y = e^{x} - \sin x;\]
\[y^{'}(x) = e^{x} - \cos x.\]
\[3)\ y = \sqrt{x} - \cos x;\]
\[y^{'}(x) = \frac{1}{2\sqrt{x}} + \sin x.\]
\[4)\ y = \frac{1}{x^{2}} + e^{x};\]
\[y^{'}(x) = - \frac{2}{x^{3}} + e^{x}.\]
\[5)\ y = tg\ x + \ln x;\]
\[y^{'}(x) = \frac{1}{\cos^{2}x} + \frac{1}{x}.\]
\[6)\ y = e^{x} - ctg\ x;\]
\[y^{'}(x) = e^{x} + \frac{1}{\sin^{2}x}.\]