Given that the graph of y=f(x)---> http://imageshack.us/photo/my-images/825/img0305vg.jpg/ and the functions g(x)=2x+1, h(x)=-x+3 and k(x)=(g o f o h)(x), evaluate k(5).

I'm not sure how to solve this problem so it would help of someone explained how to do this in steps.

So far I have: k(x)=g(f(h(x)))

g(f(h(x)))=g(f(-x+3))

...but now I'm stuck since f(x) doesn't actually have an equation...only some points.

oh and the answer is suppossed to be 1 o.o