(6) Determine the horizontal asymptotes (if any) of the graph of the function f(x) = 6x ta2+1 215+3 (7 ) Determine the vertical asymptotes (if any) of the graph of the function f(x) = = +9x+20 I+4 (8) Find the equation of the tangent line to the curve y = x3 + 2x at x = 1. (9) If f(x) = la| +1, determine if f'(0) exists. (10) If f(x) = x4+3x, compute f' (x), f(2) (x), f(3) (x), f(4) (x), f(5) (x)