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1. (Part 1. Point Value 60; 15 pointseach) ForensicAnthropology is the identific

ID: 3094822 • Letter: 1

Question

1.     (Part 1. Point Value 60; 15 pointseach) ForensicAnthropology is the identification of skeletal, and otherdecomposed human remains used for both legal and humanitarianpurposes. (ABFA, 2009)

Using the function that has been derived fromcopious amount of data on females, we can see thecorrespondence between the height of a female and the lengthof the femur. (The femur is the bone between your knee andyour hip).

One of the accepted functions used to expressthis correspondence is: h(x) = 1.95 x +72.85.

where (the domain) x= length of the femur bone incm and (the range ) h is the height of the female subject in cm.(Brand, 2009).

Show all detail calculations and find answers to2 decimal precision.

a)     Find the height of a female whosefemur is 35 cm long

                       

b)     Find the length of a femur in a femalewho is 165 cm tall.

c)   What is an invalid value for thedomain in this function. Using the function, show why it isinvalid using lucid and correct algebraic detailcalculations.

d)   What is an invalid value for therange in this function. Using the function, show why it isinvalid using lucid and correct algebraic detailcalculations.

2.     (Part 2: Point Value 40; 10 pointseach) Examine the risein chicken prices from 1999 to 2009. The price of a whole chickenin January 1999 was $1.07/lb and in January 2009 the price of awhole chicken was $1.29 (Bureau of Labor Statistics,2009).   If year 0 is 1999 and year 9 is 2009answer the following questions

Show all detailed calculations and findanswers to 3 decimal precision.

a). Use the coordinates (0, 1.07) and (9,1.29) to find the slope between the two points.

b) What is the equation of the line forthese two points in slope intercept form?

c) What is the equation of the line forthese two points in normal form?

d) What would you expect the price of wholechicken to be in January 2011?

Explanation / Answer

1. b. h(x) = 1.95 x +72.85 h(165)=1.95(165)+72.85 h(165)=394.6