You have probably noticed that the sum of two odd integers is always an even integer. The rule 2n generates even integers and the rule 2n 1 generates odd integers. Let 2n 1 and 2m 1 represent any two odd integers, and prove that the sum of two odd integers is always an even integer.

MATH 23 WEEK 2 NOTES MODELING WITH DIFF EQ Solvent-solute mixture problems: goal is to compute the amount (Q(t)) of solvent in the tank at the time t. ) = − Assumptions: Volume of water (V(t)) is...