Apackage delivery firm charges according to the
package's weight.

the charge is $1.10 for packages
weighing up to three ounces, inclusive.

for packages
weighing more than 3 ounces and up to ten ounces,
inclusive, the charge is $2.25.

for packages weighing
more than ten ounces and up to fifteen ounces, inclusive,
the charge is $3.35.

for packages weighing more than fifteen ounces, the company has a different price setting.

let c(x) be the cost in dollars according to the package's
weight (x). write a piecewise-defined function that
represents the situation.