Write an equation that models the sequence 400,200, 100,50.-

Which expression is equivalent to? assume x > 0 and y > 0.

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 equation is y = -6x2 + 3x + 2 rewritten in vertex form?