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The area, A, in square feet, of a rectangular storage bin in a warehouse is given by the function A(x) = x2 - 6x, where x is the width, in feet, of the storage bin.


Part A: Based upon this function, which statement would be true? Show your work or explain how you found the solution.


The x-intercepts of the function are 3 and -9, which are a lower bound and an upper bound for the possible values of the length of the storage bin.


The x-intercepts of the function are 3 and -9, which are a lower bound and an upper bound for the possible values of the width of the storage bin.


The x-intercepts of the function are 0 and 6, which are a lower bound and an upper bound for the possible values of the length of the storage bin.


The x-intercepts of the function are 0 and 6, which are a lower bound and an upper bound for the possible values of the width of the storage bin.

Sagot :

MrRoyal

Answer:

The x-intercepts of the function are 0 and 6, which are a lower bound and an upper bound for the possible values of the width of the storage bin.

Step-by-step explanation:

Given

[tex]A(x) = x^2 - 6x[/tex]

Required

Which is true about the x intercept

To do this, we make A(x) = 0.

Substitute 0 for A(x) in [tex]A(x) = x^2 - 6x[/tex]

[tex]0 = x^2 - 6x[/tex]

Rewrite as:

[tex]x^2 - 6x=0[/tex]

Factorize:

[tex]x(x - 6)=0[/tex]

Split:

[tex]x = 0\ or\ x - 6 = 0[/tex]

[tex]x = 0\ or\ x = 6[/tex]

Option D is correct

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