Let f (ac) = Calculate the difference quotient x - 6 f ( 4 + h) - f(4) for h h =. 1 h =.01 h = -.01 h =-.1 If someone now told you that the derivative (slope of the tangent line to the graph) of f(x ) at x = 4 was 1 for some integer n what would you expect n to be? n2 n