Evaluate the limit: 1-6x-7x lim x-1/7 1-7x (WeBWork understands "infinity", "-infinity", and "DNE", as well as numerical answers.) = (1 point) Evaluate the limit: x +9 lim x-9 81-x (WeBWork understands "infinity", "-infinity", and "DNE", as well as numerical answers.) (1 point) Find the limit: lim_ cos(3x) = X-/6 (WeBWork understands "infinity", "-infinity", and "DNE", as well as numerical answers.) (1 point) Evaluate the limit: 4-u lim u2 2 (WeBWork understands "infinity", "-infinity", and "DNE", as well as numerical answers.) - U = # (1 point) Find the limit: e-8x - e8x lim x-0 e-8x - 1 (WeBWork understands "infinity", "-infinity", and "DNE", as well as numerical answers.) = (1 point) Evaluate the limits: 1 - cos(3x) 6x lim x0 lim X lim X 1 - cos(3x) 6x = 1 - cos(3x) 6x 11 = COL .. TT T (WeBWork understands "infinity", "-infinity", and "DNE", as well as numerical answers.) (1 point) Find the limit: 1 + tan x lim x-3/2 9 sec x (WeBWork understands "infinity", "-infinity", and "DNE", as well as numerical answers.) =