Posted by Anonymous on Saturday, November 23, 2013 at 5:57pm.
0.08x^3 + 0.6x+2.8
absolutevalue function
Rational function
Another polynomial function
Quadratic function

Math  Reiny, Saturday, November 23, 2013 at 6:52pm
mmmh, let's see
 I don't see any absolute value symbols
 I don't see any fractions with variables in the denominator
 I see a cubic term, so it is not quadratic.
well , by the process of elimination......