The Graph Of The Function Shown Illustrates A Text Messaging Plan Offered By A Cell Phone Company Use 80 The Graph To 1 (64.02 KiB) Viewed 24 times
The graph of the function shown illustrates a text messaging plan offered by a cell phone company. Use 80- the graph to complete parts (a) through (e) below. C a. Under this plan, what is the monthly cost for the first 100 text messages? The monthly cost is $ b. After the first 100 text messages, what is the cost per text message under this plan? The cost per text message is $ (Type an integer or a decimal.) c. What is the monthly cost for 300 text messages? The montly cost is $ d. What are the feasible domain and the feasible range of this function? The feasible domain is. (Type your answer in interval notation.) The feasible range is . (Type your answer in interval notation.) Monthly Cost ($) 60- 40- 20- 0 0 200 400 600 800 1000 Number of Text Messages
d. What are the feasible domain and the feasible range of this function? The feasible domain is (Type your answer in interval notation.) The feasible range is. (Type your answer in interval notation.) e. A second text messaging plan offers unlimited texting for $30 per month. Describe the number of text messages that must be used per month in order to make this second plan a better deal. To make the second plan a better deal, ▼ text messages must be used.
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