Avolleyball reaches its maximum height of 13 feet, 3 seconds after its served. which of the following quadratics could model the height of the vollyball over time after it is served. select all that apply. a: f(x)=2x^2+12x+5 b: f(x)=-2x^2+12x-5 c: f(x)=-2x^2-12x+5 d: f(x)=-2(x-3)^2+13 e: f(x)=-2(x+3)^2+13

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

the answer to your question is b.

x:       y:  

-1         4

0         4

1         6

2         18

3         20