Which function is shown in the graph below? y= 22-2 + 3
y = 2X+2+3
y = 2X-3+2 Y=2^x+3+2

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.