The growth of baby girl Claire is displayed in the graph below.

a) Determine the slope of the line. Show your work. (2 points)

b) Is baby girl Claire growing at a faster rate than baby girl Grace? Justify your answer. (2 points)

c) Use point-slope form to write a linear equation to represent the growth of Claire over time. Then, simplify the equation and write it in slope-intercept form. Identify the y-intercept. Show your work. (3 points)

d) Based on the data, how long was Claire at birth? Explain. (2 points)