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38 votes
38 votes
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?

User Dmitriusan
by
3.3k points

1 Answer

17 votes
17 votes

Answer: 70 ft

Explanation:

Given

height of book is measured by the function is


h(x)=-5(x+2)(x-7)

when the book is thrown
x=0


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

The height of the book is
70\ ft

User Aioros
by
3.0k points
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