Let f(m) = 4:52 2m + 12 The slope of the tangent line to the graph of f(ac) at the point (3, 42) is The equation of the tangent line to the graph of f(:c) at (3, 42) is y 2 mm + b for m = y; and , ,, , b: a . Hint: the slope is given by the derivative at :1: = 3, ie. lim f(3 + h) f(3) h>0 h