Question

Which of the following functions contains the point (pi/4, 4)?

f(x) = 4sin (2x)
f(x) = 1/4 sin (2x)
f(x) = 1/2 sin (4x)
f(x)= 4sin (1/2 x)

Answer 1

This is the answer I got for edge 2020. Hope this reaches someone who needs it.

(quarantine 2020)

Explanation:

It is what it is...