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Sa se calculeze derivatele functiilor f:D⇒R:
1) f:R⇒R, f(x)=3x² - 7x+11=?


Răspuns :

[tex]f(x)=3x^2-7x+11\Rightarrow f'(x)=6x-7[/tex]

Am folosit formulele:

[tex](3x^2)'=3\cdot(x^2)'=6x[/tex]

[tex](x^2)'=2x;\ \ (7x)'=7x'=7; \ \ 11'=0[/tex]