Question

Please help, I can't seem to get this problem right

Answer 1

Q?

Answer 2

try this

concave up : \((-\infty , 2) \cup (4,\infty)\)

concave down : \((2,4)\)

Answer 3

-infinity to 2 would definitely be concave down

Answer 4

and (2,4) would be concave up..

Answer 5

why ? keep in mind the graph is f'(x) but the question is about f(x)

Answer 6

oh wow, that makes sense...but how would I draw the graph of f(x) then

Answer 7

there was no mention about drawing the graph of f(x) in question ?

Answer 8

no