Assume the point (2,7) is on the graph of y=f(x). Determine the value of n in the following situations: 1. (2,n) is on the graph of y=3f(x) with respect to x 2. (2,n) is on the graph of y=-2-5f(x) with respect to x 3. (2,n) is on the graph of y=f(x)+3 with respect to x.