Question

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

Answer 1

I had the same question. D=9

Answer 2

I only know D. but I'll try to figure out the rest too. D. 9 years old