Question

Organize your data and find the rate of change.
A. Create a table of the measurements for your data. Label the forearm measurements as your input and the foot measurements as your output.

B. Select two sets of points and find the rate of change for your data.

C. Describe your results. If you had to express this relation as a verbal statement, how would you describe it?

Answer 1

A .E is 7 inches for the left arm
E is 8 1/2 inches for the left foot
the inputs look like the length of the arm (ie x) the outputs are the length of the foot 
rate of change=change in y change in x use the data you gathered or this equation they give you  = 0.860 •  + 3.302


B. find the difference in y, then the difference in x, then divide (y over x) to get the slope
8-7/7 1/2-6 1/2 = 1/1 =1

C.you plug in any (x,y) point you used to find the slope
Solve for B
y = mx+b y = 1*x + b 7.5 = 1*8 + b b =
7.5 - 8 = -0.5
y = x - 0.5

Hope this helps

Answer 2

As per the data the rate of change can be found out by creating the table  

• A Let E is the 7 inches for the left arm. E is the 8 and 1/2 inches for the left foot .

• The inputs like the length of the arm (x) the outputs are the length of the foot. The rate of change is the change in the y change in x use of the data you have gathered or this equation they give you  = 0.860 •  + 3.302

• B. Difference in the y, then and in x, then divide (y over x) to get the slope  8-7/7 1/2-6 1/2 = 1/1 =1.

• C. point (x ,y) for the slope  Solve for B

• y = mx+b y = 1*x + b 7.5 = 1*8 + b b = 7.5 - 8 = -0.5   y = x - 0.5

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