The Function W Gives the Number of Words Per Minute

question 20

Multiple Choice

The function w gives the number of words per minute (wpm) that a student in a keyboard class can type after t weeks in the course. Is it possible for to be negative? Explain.

• A) can be negative if the number of words typed per minute is decreasing at week 5.
• B) can be negative if the number of words typed per minute is increasing at week 5.
• C) can be negative if the number of words typed per minute is decreasing at day 5.
• D) can be negative if the number of words typed per minute is increasing at day 5
• E) cannot be negative because the lowest number of words typed in a minute is 5 .