For each of the following expressions indicate (1) which variables are free and which bound; (2) which letters serve as individual constants and which as property constants; (3) which free variables are within the scope of some quantifier or other and which individual constants are not within the scope of any quantifier. (x)(fx > ga).

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation