G(x){-1/2x^2+4 , if x=2
{ 3, if x=2
g(0)=
g(2)=
g(5)=

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

The longer leg of a 30-60-90 trangle is 18