Project Summary: College Algebra on Sophia.org I need completed MILESTONE 2 MILESTONE 3 MILESTONE 4 MILESTONE 5 5. Perfoming Operations with functions & Nonlinear Equations CHALLENGE 1: Functions CHALLENGE 2: Rational Expressions and Equations CHALLENGE 3: Exponential and Logarithmic Equations CHALLENGE 4: Geometric Sequences and College Algebra in Context And FINAL MILESONE