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Derivadas. Ache o ponto máximo ou mínimo.?

a. CT = 34Q² + 875Q + 35

b. CT = - 875,45Q² + 43Q + 200

c. L = -0,08Q² + 345Q

d. P = 0,7Q² + 200

e. T = - 33S² - 456S - 22

2 Answers

Rating
  • 1 decade ago
    Favorite Answer

    a) Derivada de CT:

    68Q + 875

    Igualando a zero para achar o ponto de mínimo.

    68Q + 875 = 0

    68Q = -875

    Q = -12,87

    Substitui na equação e acha o valor de CT.

  • 1 decade ago

    É MOLE

    USE BÁSCARA

    B² + OU - RAIZ DE B - 2AC / 2A

    A) 85² +OU- RAIZ DE 875 - 2 X 34 X 35 / 2X 34

    E ASSIM VAI SUBSTITUINDO

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