What is the average rate of change for the function LaTeX: f\left(x\right)\:=\:x\:^2\:+\:4x\:+ \:5\:f ( x ) = x 2 + 4 x + 5 on the interval 1< x < 3?

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj:

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.