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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.

Respuesta :

Edufirst
Fat percentage = Fat weight / Body weight * 100

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

Fat percentage = [tex] \frac{3x^3+9x^2}{ \frac{3}{2} x^2} 100= [2x+6]100 = 200x+600[/tex]

Answer:

              F(x) =1 /2x+6

Step-by-step explanation: