You may use a scientific calculator. 1. Which formula defines the sequence f(1) = 2, f(2) = 6, f(3) = 10, f(4) = 14, %3D %3D %3D f(5) = 18? A. f(1) = 2, f(n) = 6+ f(n - 1) for n2 2 B. f(1) = 2, f(n) = 4 + f(n- 1) for n 2 2 %3D C. f(1) = 2, f(n) = 2+ f(n- 1) for n 2 2 D. f(1) = 6, f(n) = 4+ f(n – 1) for n 2 2

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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.