Question

Choose the function whose graph is given by:
A. y = 2csc(1/2x)
B. y = 2sec(2x)
C. y = sec(2x) + 2
D. y = 2sec(1/2x)

I believe it's either B or D, but I don't know.

Answer 1

First, it is not c..

Answer 2

Also it is not d..

Answer 3

It is not A either because sin(0) = 0 and csc(0) = infinity.

Answer 4

also it is not a..

Answer 5

and it is b:D

Answer 6

Well naturally, that means it's B. :D Thank you!

Answer 7

Yea its B