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Rom4ik [11]
3 years ago
7

HELP URGENT!! Is the following relation a function?

Mathematics
2 answers:
nata0808 [166]3 years ago
8 0

Answer:

No

Step-by-step explanation:

Because for any given point along the x-axis it has 2 values along y-axis.

For a relation to be a function it must have only one value at y-axis along any given point along the x-axis

zaharov [31]3 years ago
4 0

Answer:

No.

Step-by-step explanation:

It does not pass the vertical line test, so the relation is not a function. This is because there are x-values that have several y-values. To be a function, a relation must have x-values that only have one y-value each.

Hope this helps!

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Evaluate plzzz help am giving brainliest
posledela

Answer:

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Step-by-step explanation:

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Elis [28]

Answer:

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Step-by-step explanation:

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3 years ago
A triangular pyramid has a base shaped like an equilateral triangle. The legs of the equilateral triangle are all 20 inches long
Pie

Answer:

Surface area of pyramid with base equilateral triangle is 390+100\sqrt{3} square inches

Step-by-step explanation:

Recall the following result:

The total surface area(S) of a regular pyramid is given by,

S = \frac{1}{2}pl+B                                       ...... (1)

Here, p represents the perimeter of the base , l the slant height and B the base area of the pyramid.

From the given information:

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First find the perimeter and Area of the base pyramid.

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Area of equilateral triangle(B) = \frac{\sqrt{3} }{4} \times (side)^{2}

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Substitute the above values in equation (1) as shown below:

S=\frac{1}{2} \times 60 \times 13+100\sqrt{3}

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Hence, the surface area of pyramid with base equilateral triangle is 390+100\sqrt{3} square inches.

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3 years ago
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3 0
3 years ago
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