Evaluate the following limit. 3( secx - 1) lim 2 xyo tan x Select the correct choice below and, if necessary, ll in the answer box to complete your choice. 3(secx-1) lim 2 = because each function is continuous for all x. A. x>0 tan x (Simplify your answer.) {'33. B. The limit does not exist and is neither 00 nor - co. f(a + h) - f(a) a. Use the definition mean = lim 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) = 14x + 65, P(4,9) a. mtan (Simplify your answer. Type an exact answer, using radicals as needed.) b. y= (Type an exact answer, using radicals as needed.)a. For the function and point below, nd f'(a). b. Determine an equation of the line tangent to the graph offat (a,f(a)) for the given value of a. f(x)=2x3, a=1 a.f'(a)=|:| b.y=|:| a. Find the derivative function f' for the function f. b. Determine an equation of the line tangent to the graph offat (a,f(a)) for the given value of a. f(x)=V5x+4,a=9 a.f'(x)=|:| b.y=|:|