Question

Find a local minimum and two local maxima of the graph of the following function.
y= -x^4-4x^3-4x^2
The function has a local minimum at ____
The two local maxima are_____

Answer 1

Take the first derivative, set it equal to zero, and find your critical values. Do you know Calculus?

Answer 2

No I do not

Answer 3

you need to know differential calculus to do this problem

Answer 4

or you can draw a graph and read them off the graph

Answer 5

use desmos graphing calculator, it will tell you what you need...

https://www.desmos.com/calculator

Answer 6

thats a pretty good facility - i just checked it out

Answer 7

There is a local maximum when x=0 or when x= -2

Answer 8

Thank-you