Question

use first derivative test to determine the local extreme values of the function and identify any absolute extrema

Answer 1

y=2x^4-4x^2+1

Answer 2

Find the first derivative first.

Answer 3

i got the critical points too 0,-1,1 but i have trouble identifying which is which

Answer 4

@Aperogalics

Answer 5

Plug in those numbers in the original function. That should you give you their respective 'y' values.

Answer 6

That will tell you if it is a max or min.

Answer 7

i got that too