Question

Can someone check this answer for me?

Answer 1

I chose a)

Answer 2

the options are hard to read ....

Answer 3

im pretty sure it is b though

Answer 4

umm im not sure if i can make it bigger.. I could write them down?

Answer 5

hmm, sin(x) has a period of 2pi

when does 4x = 2pi?

Answer 6

well i know its reflected over the x-axis
then its compressed by a factor of 1/3
and im pretty sure its compressed by a factor of 1/4 aswell

Answer 7

well, 4x = 2pi when x<2pi for sure, so this compressess it horizontally

Answer 8

okay