Presents topics in power, polynomial, rational, exponential, and logarithmic functions, and systems of equations.  Prerequisite:  Competency in MTE 1-9 as demonstrated through placement or unit completion or equivalent or Corequisite:  MCR 6:  Learning Support for Precalculus I.  Lecture 3 hours per week.  Credit will not be awarded for both MTH 161:  Precalculus I and 167:  Precalculus w/ Trig or equivalent.