视频流媒体月费与初装费线性不等式建模

GeoGebra 命令及参数

1. LaTeX("\text{Solve the inequality for the unknown variable.}") → text21
2. LaTeX("\text{Write an inequality to represent the situation.}") → text8
3. LaTeX("\text{Inequality from the previous step}") → text24
4. LaTeX("\text{Simplify.}") → text29
5. Line(A, B) → a_1
6. LaTeX("\text{one term of the inequality.}") → text13
7. LaTeX("\text{}") → text19
8. LaTeX("\text{The total amount Cory has paid so far is the sum of the monthly rate and the one-time fee, }") → text15
9. LaTeX((((("\text{The one-time fee is \textcolor{#000099}{" * b) * "}, so this value is represented by a constant:\textcolor{#000099}{") * b) * "}.}")) → text14
10. LaTeX((((((((("\text{\textcolor{#000099}{" * c) * "}, write \textcolor{#000099}{") * a) * " m + ") * b) * "} on the left side of the less than symbol and \textcolor{#000099}{") * c) * "} on the right side of the symbol.}")) → text18
11. LaTeX((((((("\text{ \textcolor{#000099}{" * a) * "m + ") * b) * " < ") * c) * "}}")) → text22
12. LaTeX((("\text{Subtract \textcolor{#000099}{" * b) * "} from both sides.}")) → text25
13. LaTeX((("\text{Divide both sides by \textcolor{#000099}{" * a) * "}.}")) → text26
14. LaTeX((((("\text{ \textcolor{#000099}{" * a) * " m < ") * cb) * "}}")) → text23
15. LaTeX((("\text{Cory could have been using the service for any number of months less than \textcolor{#000099}{" * s) * "}.}")) → text30
16. Expand(((2 * x) * ((3 * x) - y))) → d
17. LaTeX((((((((("\text{\textcolor{#000099}{\frac{" * a) * " m}{") * a) * "}< \frac{") * cb) * "}{") * a) * "}}}")) → text27
18. LaTeX((("\text{ \textcolor{#000099}{m < " * s) * "}}")) → text28
19. LaTeX("\text{that are not equivalent}") → text31_3
20. LaTeX("\text{Since the problem uses the word under, use a less than symbol (\textcolor{#000099}{<}).}") → text11
21. LaTeX("\text{Monthly rate \textendash}") → text2
22. LaTeX((("\text{\textcolor{#000099}{" * a) * "}; One-time fee \textendash }")) → text5
23. LaTeX("\text{Let \textcolor{#000099}{m} represent the number of months Cory has been subscribing to the service.}") → text9
24. LaTeX((((((((("\text{so add the terms \textcolor{#000099}{" * a) * "m} and \textcolor{#000099}{") * b) * ": ") * a) * " m + ") * b) * "}.}")) → text16
25. LaTeX((((((("\text{Therefore, the inequality is \textcolor{#000099}{" * a) * " m + ") * b) * " < ") * c) * "}.}")) → text20
26. LaTeX((((("\text{The rate increases by \textcolor{#000099}{" * a) * "} for each month \textcolor{#000099}{m} that Cory subscribes. Therefore,\textcolor{#000099}{") * a) * "m} represents }")) → text12
27. LaTeX((((((("\text{Cory has paid less than \textcolor{#000099}{" * c) * "} so far. Since what Cory has paid so far,\textcolor{#000099}{") * a) * "m + ") * b) * "}, is less than}")) → text17
28. LaTeX((("\text{\textcolor{#000099}{" * c) * "}}")) → text7
29. LaTeX((("\text{\textcolor{#000099}{" * b) * "}; Paid amount \textendash \textcolor{#000099}{under} }")) → text6
30. LaTeX("\text{quantities are equal}") → text31_1
31. LaTeX("\text{\mathbf{equation} a mathematical sentence that uses an equal sign (=) to show that two }") → text31
32. LaTeX("\text{\mathbf{inequality} a mathematical sentence that shows the relationship between quantities }") → text31_2