Suppose that f1x2 = 4x - 1 and g1x2 = - 2x + 5.(a) Solve f1x2 = 0. (b) Solve f1x2 7 0.(c) Solve f1x2 = g1x2. (d) Solve f1x2 ... g1x2.(e) Graph y = f1x2 and y = g1x2 and label the point thatrepresents the solution to the equation f1x2 = g1x2.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.