Find the indicated measurement *
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The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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.