aiwan / He Name: Date: Lim stxth)-SLE hto 1. Given the function f(x) = x2 +3 (A) Use the definition of derivative to find f'(x) Xth)3 2hveth2x 32 2hxth2(2xtH) S)2 ( +3 (B) Find the equation of the tangent line at (1, 4). X+2hxth xth ( x) at (2 K(B ('x-x) -A 2. -2X-2 2x )-2 72 2 X+2 (C) Find the equation of the normal line at (1, 4). y-420x-1) 2x-2+4 72 2x+2 ( g02 9 vitovnsh boAam holmdmmela cos 2x-1 lim

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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.