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:

the two may have that, even a breakdown is probably offered

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.