this is Calculus 1

1. (Difference Quotient) Simplify the difference quotient f(x th) - f(2) for each of the following functions. A. f(x) = 21+3 B. f(x) = ax + bat c 2. (Equation of a Line) Write an equation of the line passing through the points (-1,3) and (8, 11). 3. (Trigonometry) If sin(a) = where 0 and cos(8) = ; where