Question

Find the intervals on which the given function is increasing and decreasing.
y=-x^2-2x
y'=-2x-2
critical point
x=-1
Increasing
[-infinity,-1)
Decreasing
(-1,infinity]
is this the correct way of writting this wiht the brackets

Answers

you got it right.
good job.
so the parenthasis means including and the bracket means its open or how does this work

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