Question

DELIVERY CHARGES The cost of sending an overnight package from Los Angeles to Miami is $\$23.40$ for a package weighing up to but not including 1 pound and $\$3.75$ for each additional pound or portion of a pound. A model for the total cost (in dollars) of sending the package is $C = 23.40 + 3.75[[x]]$, $x > 0$, where $x$ is the weight in pounds. (a) Sketch a graph of the model. (b) Determine the cost of sending a package that weighs 9.25 pounds.

Name: Problem 69, Chapter 1: Precalculus with Limits
Uploaded: 2020-06-04T15:48:47-08:00
Duration: 1 min 44 s
Channel: Heather Zimmers

   DELIVERY CHARGES      The cost of sending an overnight package from Los Angeles to Miami is $\$23.40$ for a package weighing up to but not including 1 pound and $\$3.75$ for each additional pound or portion of a pound. A model for the total cost     (in dollars) of sending the package is $C = 23.40 + 3.75[[x]]$, $x > 0$, where $x$ is the weight in pounds.

(a)  Sketch a graph of the model.

(b)  Determine the cost of sending a package that weighs 9.25 pounds.

Precalculus with Limits

Ron Larson 2nd Edition

Chapter 1, Problem 69

Instant Answer

Solved by Expert Heather Zimmers

06/04/2020

Step 1

40 + 3.75[[x]]$, where $x$ is the weight in pounds. This function tells us that the cost is $23.40 for a package weighing up to but not including 1 pound, and an additional $3.75 for each additional pound or portion of a pound. Show more…

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DELIVERY CHARGES The cost of sending an overnight package from Los Angeles to Miami is $\$23.40$ for a package weighing up to but not including 1 pound and $\$3.75$ for each additional pound or portion of a pound. A model for the total cost (in dollars) of sending the package is $C = 23.40 + 3.75[[x]]$, $x > 0$, where $x$ is the weight in pounds. (a) Sketch a graph of the model. (b) Determine the cost of sending a package that weighs 9.25 pounds.