# Find the interval in which the function is increas...

Find the interval in which the function is increasing ordecreasing.

Show transcribed image text Find the interval in which the function is increasing ordecreasing. f(x) = x3 x - 1 Comments

## Answers ( 4 )

Therefore, x=1 is the critical number,

and with the test values, the interval is decreasing on(-?,1) and increasing on (1,?).

The relative minimum is (1,0).

f(x) =x^{3}-27x+ 28x=1 is the critical number.

undefinedfor xvalues less than this. So the interval-infinity, 1