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AlekseyPX
3 years ago
6

Determine the domain of the function 9x/ x(x^2-49)

Mathematics
1 answer:
8090 [49]3 years ago
4 0

Answer:

Step-by-step explanation:                  

                                                                       9

The given function may be reduced to -------------- , x ≠ 0 because we cannot

                                                                  x^2 - 49  

division by zero in the original form of the function is undefined.  Furthermore, x cannot be either ±7, for the same reason.

Thus, the domain of this function h(x) is {x ≠ 0, x ≠ ±7}

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Percy Cod takes a walk around the perimeter path of his local park. The park is in the shape of a rectangle which is 400m wide a
lozanna [386]

Answer:

2800m

Step-by-step explanation:

Assumption:

Start point from which Percy Cod walks is "x"

If he walks around a perimeter that is the shape of a rectangle,

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Distance around the rectangle = D = 2 * (L + W)

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3 years ago
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Oduvanchick [21]

Answer:

The scale factor is \frac{9}{7}

Step-by-step explanation:

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therefore

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The value of x is equal to  

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x=28(\frac{9}{7})=36\ units

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