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Sara threw her math book off a building . The height of the book, seconds after being thrownis modeled by the equation below. The height measured in feet. h(x)=-5(x+2)(x-7) what is the height of the book when it is thrown?

Respuesta :

Answer: 70 ft

Step-by-step explanation:

Given

height of book is measured by the function is

[tex]h(x)=-5(x+2)(x-7)[/tex]

when the book is thrown [tex]x=0[/tex]

[tex]\therefore h(x=0)=-5(0+2)(0-7)\\\Rightarrow h(x=0)=70\ ft[/tex]

The height of the book is [tex]70\ ft[/tex]

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