On his last credit card bill, frank paid a variable finance rate of 1.5 percent on the first $500, and 1 percent
on any amount above $500. how much did he pay if the unpaid balance was $741.23?
$11.12
$9.91
$7.41
$6.52

Explanation:

The amount that Frank paid on his last credit card bill shows how piecewise functions work.

Taking into account that:

You can model the amount paid using the piecewise function p(x):

Thus, your calculation is:

1 1/4 hours

step-by-step explanation:

2/4 + 2/4 + 1/4 = 5/4 or 1 1/4