Quadratic Function
Source:
March 21, 2008
quadraticsfunction
Problem Statement
Let be a function for which f(x/3) \equal{} x^2 \plus{} x \plus{} 1. Find the sum of all values of for which f(3z) \equal{} 7.
(A)\ \minus{} 1/3 \qquad (B)\ \minus{} 1/9 \qquad (C)\ 0 \qquad (D)\ 5/9 \qquad (E)\ 5/3