Asosiy tarkibga o'tish

4.2-bo'lim: Muhim nuqtalar

Quyidagi funksiyalarning har birining kritik nuqtalarini aniqlang.

  1. \(f\left( x \right) = 8{x^3} + 81{x^2} - 42x - 8\) Yechim
  2. \(R\left( t \right) = 1 + 80{t^3} + 5{t^4} - 2{t^5}\) Yechim
  3. \(g\left( w \right) = 2{w^3} - 7{w^2} - 3w - 2\) Yechim
  4. \(g\left( x \right) = {x^6} - 2{x^5} + 8{x^4}\) Yechim
  5. \(h\left( z \right) = 4{z^3} - 3{z^2} + 9z + 12\) Yechim
  6. \(Q\left( x \right) = {\left( {2 - 8x} \right)^4}{\left( {{x^2} - 9} \right)^3}\) Yechim
  7. \(\displaystyle f\left( z \right) = \frac{{z + 4}}{{2{z^2} + z + 8}}\) Yechim
  8. \(\displaystyle R\left( x \right) = \frac{{1 - x}}{{{x^2} + 2x - 15}}\) Yechim
  9. \(r\left( y \right) = \sqrt[5]{{{y^2} - 6y}}\) Yechim
  10. \(h\left( t \right) = 15 - \left( {3 - t} \right){\left[ {{t^2} - 8t + 7} \right]^{\frac{1}{3}}}\) Yechim
  11. \(s\left( z \right) = 4\cos \left( z \right) - z\) Yechim
  12. \(\displaystyle f\left( y \right) = \sin \left( \frac{y}{3} \right) + \frac{2y}{9}\) Yechim
  13. \(V\left( t \right) = {\sin ^2}\left( {3t} \right) + 1\) Yechim
  14. \(f\left( x \right) = 5x\,{{\bf{e}}^{9 - 2x}}\) Yechim
  15. \(g\left( w \right) = {{\bf{e}}^{{w^{\,3}} - 2{w^{\,2}} - 7w}}\) Yechim
  16. \(R\left( x \right) = \ln \left( {{x^2} + 4x + 14} \right)\) Yechim
  17. \(A\left( t \right) = 3t - 7\ln \left( {8t + 2} \right)\) Yechim