Solve. -A Mathematical Model for the Average of a Group of Group

question 27

Multiple Choice

Solve.
-A mathematical model for the average of a group of people learning to type is given by where N(t) is the number of words per minute typed after t hours of instruction and practice (2 hours per day, 5
days per week) . What is the rate of learning after 50 hours of instruction and practice?

• A) 0.5 words per minute typed per hour of instruction and practice
• B) 0.12 words per minute typed per hour of instruction and practice
• C) 0.1 words per minute typed per hour of instruction and practice
• D) 0.15 words per minute typed per hour of instruction and practice