SOLUTION: Use graph of f to find each indicated function value. y=f(x). The graph is looped. f(-2), the answer is -4 but the book doesn't help me in how it got the answer.

Algebra ->  Rational-functions -> SOLUTION: Use graph of f to find each indicated function value. y=f(x). The graph is looped. f(-2), the answer is -4 but the book doesn't help me in how it got the answer.      Log On


   



Question 266812: Use graph of f to find each indicated function value. y=f(x). The graph is looped. f(-2), the answer is -4 but the book doesn't help me in how it got the answer.
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Please explain looped. Is there any other information?
My first thought when I saw f(-2) = -4 was f(x) = -x^2.