The table lists the values of two parameters, x and y, of an experiment. What is the approximate value of y for x=4?

Answer:
y = 16
Step-by-step explanation:
From the pattern in the table we can see that x to the power of two results in y (2.5 x 2.5 = 6.25, 9.4 x 9.4 = 88.36, etc.) This means that 4 x 4 = 16, which is the value of y.