Difference between revisions of "2003 AMC 12A Problems/Problem 25"
| Line 1: | Line 1: | ||
| − | Let <math> f(x) = sqrt{ ax^2 + bx } </math> | + | Let <math> f(x)=</math> <math> \sqrt{ax^2+bx} </math> |
| + | For how many real values of <math>a</math> is there at least one positive value of <math> b </math> for which the domain of <math>f </math> and the range <math> f </math> are the same set? | ||
(A)0 (B) 1 (C) 2 (D) 3 (E) infinitely many | (A)0 (B) 1 (C) 2 (D) 3 (E) infinitely many | ||
Revision as of 11:49, 28 November 2006
Let 
For how many real values of 
is there at least one positive value of 
for which the domain of 
and the range are the same set?
(A)0 (B) 1 (C) 2 (D) 3 (E) infinitely many
