SOLUTION: The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2. Use a graphing calculator to find all the points where there is a local minimum. Round to the nearest

Algebra ->  Trigonometry-basics -> SOLUTION: The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2. Use a graphing calculator to find all the points where there is a local minimum. Round to the nearest       Log On


   



Question 449468: The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2.
Use a graphing calculator to find all the points where there is a local minimum.
Round to the nearest hundredth.

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2.
Use a graphing calculator to find all the points where there is a local minimum.
Round to the nearest hundredth.
..
f(x)=-4x^4+9x^3+2x^2-7x-2
As you can see from the graph below, there is only one local minimum at -4.13
..
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C-4x%5E4%2B9x%5E3%2B2x%5E2-7x-2%29+