Ise the limit definition of the derivative to compute the derivative of the function f(z) = at an arbitrary point z. Evaluate the limit by using algebra to simplity the difference quotient (in first answer box) and then evaluating the limit (in the second answer box). 4+9z =(2) = lim (A f(x + h) – f(z) -6 low let's calculate the tangent line to the function f(z) = at z=9 4+ 9z a. The slope of the tangent line to f at z= 9 is b. The tangent line to f at z = 9 passes through the point on the graph of f. • Enter the point in the form (x, y), including the parentheses. C. An equation for the tangent line to f at z=9 is y =

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