Consider the following function.

Question

(a)

Find the intervals where the function f is increasing and where it is decreasing. (Enter your answers using interval notation. If an answer does not exist, enter DNE.)

Increasing:

Decreasing:

(b)

Find the relative extrema of f. (If an answer does not exist, enter DNE.)

relative maximum (x,y)= ( , )

relative minimum (x,y)= ( , )

(c)

Find the intervals where the graph of f is concave upward and where it is concave downward. (Enter your answers using interval notation. If an answer does not exist, enter DNE.)

Concave upward

Concave downward:

(d)

Find the inflection points, if any, of f. (If an answer does not exist, enter DNE.)

(x,y)=( , )

Answer 1

And what exactly is the function written with parenthesis that CLEARLY shows numerator and denominator