Straining my eyes, it looks like the last question is equivalent to:The last part of this question I cannot figure out how to solve. I have the answer available to me but I don't know how it was achieved.
Thanks for the update. The image of your worked is washed out, but you seem not to have followed my hint.Assignment with proper questions: https://ibb.co/nBwmcRf
My work on grid paper: https://ibb.co/2nc20Tp
I graphed the sin function with the proper transformation and know how to get everything except for f) where it says f(x)=-5/2. Am I supposed to find it out purely from the graph or did I plug it in wrong to the original function?