Question

(a)increasing (b) decreasing (c)local extreme values

Answer 1

i took derivative =0 i got \[+-\sqrt{2}\]

Answer 2

Take the derivative, find the critical points, draw a number line, find y values of your critical points, determine local extrema and increasing/decreasing intervals.

Answer 3

should i need to include the domain restriciton in numberline @Brittni0605

Answer 4

If a restriction was given than yes.

Answer 5

+-2

Answer 6

no restriction is given

Answer 7

when i take derivative i set denominator=0 i got +-2

Answer 8

Ok, so your domain is negative infinity to infinity

Answer 9

yup