Use superposition to find vo in the given circuit where i1 = 6 a and i2 = 4 a

Alarge rectangle is divided into four smaller rectangles.

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25

Which expression is equivalent to 64 - 9x^2?