The Fourth Gate You arrive at the fourth gate, feeling confident in your skills. "It is a good thing I had some practice before landing on this planet", you think. You look carefully at the gate and find the following information, translated by your computer: Each of the limits below represent a piece of the passcode that you must enter to proceed. The parameters a and c represent positive real numbers and should be treated as such in your answer. "Remember," says your computer, "to type "infinity" for co, "-infinity" for -co, and "NA" if the limit does not exist." lim ax 56-5x+67 co- 59-67 lim a259 5x+ 67 CL 59 -67 . lim a259 -5x+67 cac 56-67