Question

assume the graph of the function form y= asin(k(x+b)) is given below. which of the following are possible values for a, k, and b?

1) a=4, k=2, and b=pi/4
2) a=2, k=4, and b=pi/4
3) a=4, k=1/2, and b=-pi/4
4) a=4, k=2, and b=-pi/4

Answer 1

??

Answer 2

I know its not 2

Answer 3

you have to give the graph

Answer 4

http://assets.openstudy.com/updates/attachments/5545892be4b00b3f1c0210a3-kj4uts-1430620471546-possiblevaluesakb.png

Answer 5

Thats the graph

Answer 6

the answer was 4

Answer 7

should I solve it?