The average weight of a 7-year old girl is 49 pounds. the average weight of an 11 year old girl is 77 pounds. a. write a linear model with weight as a function of age. b. what does the slope mean? c. what does the y-intercept mean? d. at what age are the girls 62 pounds. explain

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site

How do u write a function for the reflection across the y axis