graph the function f(x)=-x^4+7x^3-9x^2-3x+10 using graphing technology and identify for which values of x the graph is decreasing

Question

graph the function f(x)=-x^4+7x^3-9x^2-3x+10 using  graphing technology and identify for which values of x the graph is decreasing

ranga · Answer

You can use the graphing calculator if you have one or you can use the link below and type in the function and you can see for yourself where all the function is decreasing. https://www.desmos.com/calculator

anonymous · Answer

This is the graph.

Can you spot for which values it is decreasing? It is when Cf is pointing down.

anonymous · Answer

it decreases from -2 and -1 @ocelot40

anonymous · Answer

Actually it is hard to tell the exact values from the graph I provided. @ranga 's link is very helpfull if you want to be precise about the values. Just copy your function and paste it on the graph calculator.

ranga · Answer

I copied and pasted the function in the link I provided earlier.  The function decreases in the interval (-0.142, 1.281)  and  (4.111, infinity).