1) a. Use the definition mtan = lim f(x) - f(a) to find the slope of the line tangent to the graph of f at P. X-a x-a b. Determine an equation of the tangent line at P. c. Plot the graph of f and the tangent line at P. f ( x ) = x2 - 2, P (- 3, 7) 2) a. Use the definition mtan = lim f(a + h) - f(a) h to find the slope of the line tangent to the graph of f at P. h - 0 b. Determine an equation of the tangent line at P. f(x) = - 6x + 7, P(0,7) a. mtan a. Use the definition man = lim (X) -f(a) - to find the slope of the line tangent to the graph of f at P. X-a x-a b. Determine an equation of the tangent line at P. c. Plot the graph of f and the tangent line at P. 1(x )= $. P(2.2) . . . a. mtan = (Type an integer or a fraction.)