Step-by-step explanation:
Which of the ten basic functions in
our toolkit have an infinite number of
local extrema?
a) cos(x), 2
b) sin(x), cos(x)
c) In(x), cos(x)
d) sin(x), x2
Answer: not sure
but I need points
Step-by-step explanation:
JUST KIDDING It’s A I did this in school before and got it correct :)
First, let's simplify the inequality

The graph looks like this:
Notice that the white dot is placed above the -6, it is important to include it like that.
Now, as an interval: