Question

graphs on Study Island... please help?

Answer 1

Do you know what the graph of cosine and sine look like?

Answer 2

It's a :) All you had to do was graph them.

Answer 3

I don't... just got into advanced algebra and all material on this test is new to me :(

Answer 4

That's ok. Yeah, the answer is A. You'll use the graphs of cosine and sine quite often, so check this out.
http://www.mathsisfun.com/algebra/trig-sin-cos-tan-graphs.html
When you have free time, you should take 10 minutes and read up on that. I know spending your free time on math doesn't sound fun haha, but trust me, it will make like a lot easier. Once you get to trig and further, you'll use them all the time.

Answer 5

haha definitely will look into that. :) Thank you