a.
To Find: The quadratic model of the two types of road dry and wet.
  
  
Given: The given table for dry road,
  
The graph for the wet road,
  
Explanation:
The quadratic model for dry road using table data is,
  
The quadratic model for wed road using graph is,
  
b.
To compare: The quadratic model of the two types of road dry and wet for speed limit
Wet road take more distance to stop the vehicle.
Given: The given table for dry road,
  
The graph for the wet road,
  
Explanation:
Substitute
  
Substitute
  
Notice the both solution wet road takes more distance to stop the vehicle as compare to dry road.
For speed
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education