Math
vanessa started with $800 in a bank account that does not earn interest. in the middle of every month, she withdraws 1/4 of the account balance.
which recursive function rule models vanessa’s balance at the end of each month?
a. an = 1/4 x an-1 and a1 = 800
b. an = 800 x an-1 and a1 = 3/4
c. an = 3/4 x an-1 and a1 = 800
d. an = 800 x an-1 and a1 = 1/4

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.