Question

Help Please?

Answer 1

I see you already found the first derivative, what parts of the problem are you having difficulties at ?

Answer 2

All the Rest -.-

Answer 3

Alright :) start with finding the second derivative, you'll need it for the second question.

Answer 4

to find extrema that is when the first der equals 0 and changes signs for inflection points that is when the sec deriv equal zero and changes signs

Answer 5

That's right

Answer 6

the function is increasing when f'x is positive and decreasing when f'x is negative

Answer 7

the function is concave up when f"x is positive and concave down when f"x is negative

Answer 8

draw the graph with all that info