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Zack is preparing for a marathon and currently weighs 162 pounds. His total body weight can be expressed as 3x^3 + 9x^2, and his body fat weight can be expressed as 3/2x^2. Writ…

Zack is preparing for a marathon and currently weighs 162 pounds. His total body weight can be expressed as 3x^3 + 9x^2, and his body fat weight can be expressed as 3/2x^2. Writ…
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Zack is preparing for a marathon and currently weighs 162 pounds. His total body weight can be expressed as 3x^3 + 9x^2, and his body fat weight can be expressed as 3/2x^2. Write a function which represent Zack's body fat percentage.

User Delphirules
by
8.5k points

2 Answers

4 votes

Answer:

F(x) =1 /2x+6

Explanation:

User Emilolsson
by
8.3k points
6 votes
Fat percentage = Fat weight / Body weight * 100

Assuming that 3/2x^2 is (3/2)x^2

Fat percentage =
(3x^3+9x^2)/( (3)/(2) x^2) 100= [2x+6]100 = 200x+600
User David Liang
by
8.6k points
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