Asap! which glide reflection the mapping abd -> def?

Sum is 17 and their difference is 3

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

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b