Question
What is the open interval (or intervals) where the function is Concave Up? f(x) = 5x - tan(x) x is an element of (-pi/2, pi/2)
What is the open interval (or intervals) where the function is Concave Up?
f(x) = 5x - tan(x)
x is an element of (-pi/2, pi/2)
The answer is (-pi/2, 0) but I want to learn the process involved in solving a problem like this.
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Euclidean Geometry And Transformations
Authors: Clayton W Dodge
1st Edition
0486138429, 9780486138428
