On which interval(s) is the "f" increasing and decreasing?

Answer must be in interval notation in the terms of x

See graph below

Question

On which interval(s) is the "f" increasing and decreasing? 

Answer must be in interval notation in the terms of x

See graph below

alorsondanse · Answer

attachment

alorsondanse · Answer

@Vuriffy

alorsondanse · Answer

On which interval(s) is the "f" increasing and decreasing? 

using the graph above

alorsondanse · Answer

I believe it's (-4,infinity) but i don't know how to put it in the terms of x

vuriffy · Answer

You don't put it in terms of x.

vuriffy · Answer

Interval notation is ( blank , blank )

alorsondanse · Answer

the professor wrote the question like this 

on which interval(s) is "f" increasing and decreasing? Give your answer in interval notation (in the terms of x)

vuriffy · Answer

Well it has 4 then decreases all the way to -4. To then increase again.

alorsondanse · Answer

so how would i answer the question in the correct format?

vuriffy · Answer

(0,4) -> (-4,4) -> (-4, infinity)
I believe what you stated was correct.