Please give me the answer

Question 2 of 20 This question: 1 point(s) possible f ( x ) - f(a ) V a. Use the definition man= lim x-a x - a to find the slope of the line tangent to the graph of f at P. b. Determine an equation of the tangent line at P. c. Plot the graph of f and the tangent line at P. f ( x ) = =, P(2, 1) a. man = (Type an integer or a fraction.) b. y = c. Choose the correct answer below. O A. O B. O C. OD. H T O O X V 10 HH 17