A bank features a savings account that has an annual percentage rate of r = 5.2 % with interest compounded quarterly. alexa deposits $10,000 into the account. the account balance can be modeled by the exponential formula a ( t ) = a ( 1 r k ) k t , where a is account value after t years , a is the principal (starting amount), r is the annual percentage rate, k is the number of times each year that the interest is compounded. (a) what values should be used for a , r, and k
a) a = $10,000, r=0.052, k=4
b) a = $5,200, r=0.52, k=2
c) a = $10,000, r=0.0052, k=4
d) a = $10,000, r=5.2%, k=4