Question

the figure shows the cost of mailing a first - class letter, f(x), in a country as a function of its weight, x, in ounces. what is the cost of mailing a letter that weighs 2.4 ounces? the cost is $\square$.

Explanation:

Step1: Locate weight on x-axis

Identify that 2.4 ounces falls in the interval \(2 < x \leq 3\) on the weight (x) axis.

Step2: Match to cost on y-axis

Find the corresponding y-value (cost) for this interval from the graph.

Answer:

The cost is $\$0.72$