Question

Bianca makes an initial deposit to open a savings account. She then makes monthly deposits of equal amounts. The balance in her account is given by the function equation B = 150 + 80d, where B is her account balance and d is the number of monthly deposits she makes.



What is the meaning of the slope in this equation?





A.


Bianca deposits $80/month.


B.


Bianca deposits $150/month.


C.


Bianca makes an initial deposit of $80.


D.


Bianca makes an initial deposit of $150