2. (4 pontos) Calcule as derivadas das funçoes abaixo: (a) ....

(4 pontos) Calcule as derivadas das funçoes abaixo: (a) $f(x)=x^{5}+2 x^{4}+x+1$ ; (b) $f(x)=\cos \left(x^{2}+3 x+9\right)$ ; (c) $f(x)=e^{2 x} \operatorname{sen}\left(x^{2}\right)$ (d) $f(x)=\frac{\ln \left(x^{2}+1\right)}{x^{2}}$

(2 pontos) Determine os intervalos de crescimento. cavidades de $f: \mathbb{R} \rightarrow \mathbb{R}, f(x)=x^{3}-x$ . Faça um

$2. (4 pontos) Calcule as derivadas das funçoes abaixo: (a) $ f(x)=x^{5}+2 x^{4}+x+1 $; (b) $ f(x)=\cos \left(x^{2}+3 x+9\right) $; (c) $ f(x)=e^{2 x} \operatorname{sen}\left(x^{2}\right) $ (d) $ f(x)=\frac{\ln \left(x^{2}+1\right)}{x^{2}} $ 3. (2 pontos) Determine os intervalos de crescimento. cavidades de $ f: \mathbb{R} \rightarrow \mathbb{R}, f(x)=x^{3}-x $. Faça um$

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