Which quadratic regression equation best fits the data set?

x y

0 48

1 39

2 35

4 23

6 16

10 3

11 2

Answers:

yˆ=0.246x^2+6.815x+47.062

yˆ=0.246x^2−6.815x+47.062

yˆ=47.062x^2−6.815x+0.246

yˆ=47.062x^2−6.815x−0.246

What is the total area of the figure?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units