Problem 88 of 7
For A cell phone plan costs 25 dollars per month plus 0.10 dollars per text message., choose the model that matches: C = 25 + 0.10t or C = 0.10 + 25t. Explain the rejected model's error.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
detect which equation/inequality matches the story and reject distractors.
Hidden until you reveal it.
One model must match and one must contain a common translation error.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Match constants and rates to the story.
2. Check inequality direction when a limit is involved.
3. Explain why the other model does not match.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Answer naming model only without explaining.