The purpose of the algorithm is to enable two users to exchange a secret key securely that then can be used for subsequent encryption of messages and depends on the difficulty of computing discrete logarithms for its effectiveness.

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