Real SAT II Subject test Math 2 help

Shantwo
Tue, 20 Dec 2005 13:28:26 +0000

can anyone explain problem 34, page 179 in the blue CB Real SAT Subj Tests?

If x(subzero) = 0 and x(sub n+1) = sqrt(6 +x(sub n)), then x (sub3) = ?

A. 2.449
B. 2.907
C. 2.984
D. 2.997
E. 3.162