Question

Consider the equation below.
f(x) = x4 ln x
a) Find the interval on which f is increasing. (Enter your answer using interval notation.)

Find the interval on which f is decreasing. (Enter your answer using interval notation.)

(b) Find the local minimum value of f.
(c) Find the inflection point.

Answer 1

\(x^4\ln(x)\) you need to take the derivative
\((x^4)'\ln(x)+(\ln(x))'x^4\)

Answer 2

you with me @mannyfresh6200 ?

Answer 3

yea

Answer 4

so far i am

Answer 5

(x^4)'=?

Answer 6

(ln(x))' = ?

Answer 7

X^4= 4x^3

Answer 8

and ln(x)= (ln(x))

Answer 9

(ln(x))'=1/x

Answer 10

ok

Answer 11

whats the final answer to intevral thats increasiing

Answer 12

did you figure out the deriviative?

Answer 13

we are not here to give answers

Answer 14

set the derivative equal to 0