19. Qual é a expressão analítica da função derivada da função polinomial definida por (8 Pontos) \( \square \) \( c(x)=-x^{8}-x^{5}-9 x \) ? \( c^{\prime}(x)=-x^{7}-5 x^{4}-9 x \) \( c^{\prime}(x)=-8^{7}-5 x-9 \) \( c^{\prime}(x)=-8 x^{7}-5 x^{4} \) \( c^{\prime}(x)=-8 x^{7}-5 x^{4}-9 \) 20. Qual é a expressão analítica da função derivada da função polinomial definida por (13 Pontos) \( \square \) \( c(x)=3 x^{7}-2 x^{6}-x^{2}-8 \) ? \( c^{\prime}(x)=7 x^{6}-6 x^{5}-x \) \( c^{\prime}(x)=21 x^{6}-12 x^{5}-2 x \) \( c^{\prime}(x)=7 x^{3}-12 x^{5}-2 x-8 \) \( c^{\prime}(x)=21 x^{6}-12 x^{5}-x \)
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### Question 19: Finding the Derivative of \( c(x)=-x^{8}-x^{5}-9x \) ** Show more…
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