Jose is a software salesperson. His base salary is $ 1900 and he makes $80 more for every copy of English is Fun he sells. His total pay, P (in dollars), after selling c copies is given by the following function. P(c) =80c+ 1900 Answer the following questions. (a) If Jose's total pay is $4380, how many copies did he sell? copies (b) What is Jose's total pay if he sells 23 copies? X