A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking account over the period September 1, 2008 through March 31, 2009?
A. -1,850/7
B. -250/7
C. 250/7
D. 1,850/7

Question

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking account over the period September 1, 2008 through March 31, 2009?
A. -1,850/7
B. -250/7
C. 250/7
D. 1,850/7

the_fizicx99 · Answer

f(b) - f(a) / b - a
 
800 - 1050 / 2-9

-250 / -7

250 / 7

anonymous · Answer

is the answer c @kelliegirl33

anonymous · Answer

not sure...I thought it was B but I am not 100% sure. I would think that since it was decreasing it would have a negative rate of change

anonymous · Answer

thank you

the_fizicx99 · Answer

I think I made a typo, 

800 - 1050 / 7

-250 / 7

It's decreasing.

the_fizicx99 · Answer

Lol that was suppose to be a 9 - 2 >.<

anonymous · Answer

lol....you had me thinking I did it wrong

the_fizicx99 · Answer

Cx

the_fizicx99 · Answer

*facepalm* I just confused myself ;-;

the_fizicx99 · Answer

b would be march, a would be sept. ._.