?The average typing speed N (in words per minute) after t weeks of lessons is modeled by 
. Find the rate at which the typing speed is changing when 
weeks. Round your answer to two decimal places.
?
A. ?1.51 words/min/week
B. ?2.15 words/min/week
C. ?2.51 words/min/week
D. ?4.38 words/min/week
E. ?5.04 words/min/week
Answer: B
Mathematics
You might also like to view...
Rationalize the denominator. 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.log2 3 - log2 x = 4
A. 
B. 
C. 
D. 
Mathematics
Determine between which two consecutive whole numbers each square root lies.
A. 13 and 14 B. 14 and 15 C. 15 and 16 D. 10 and 11
Mathematics
Add.
+ 
A. - 
B. 
C. 
D. - 
Mathematics