1) g(x) = 7x

g`(x) = 7

2) f(x) = 5x^2

f`(x) = 10x

3) Ф(x) = 3tgx

Ф`(x) = [tex]\frac{3}{cos^{2} x}[/tex]

4) ω(x) = [tex]5x^{-3}[/tex]

ω`(x) = [tex]-\frac{15}{x^{2} }[/tex]