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Otrada [13]
3 years ago
6

Which relation is a function?

Mathematics
1 answer:
sergejj [24]3 years ago
7 0

To determine which relation is a function, we can perform something called the vertical line test. We cover the graph in repeating vertical lines and if one vertical line connects with more than one point of the relation, the relation is not a function.

The relation in the bottom right corner is the only relation that passes the vertical line test.

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A)
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The radius of a circle is 19 miles. What is the circle's circumference?<br> Use 3.14 for .
insens350 [35]

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Help please, I need it
Helen [10]

Partial Answer:

For #10 the solutions are 2 and 5

Step-by-step explanation:

Solutions for an equation can be x-intercepts, or where it touches the x or horizontal line. The equation in #10 touches the x line at 2 and 5.

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2 years ago
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Tresset [83]

Answer:

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<em>Hope this was able to help you </em>

5 0
3 years ago
Find the value of tanθ, if cosθ = 4/5 ; 0° ≤ θ&lt; 90°
Montano1993 [528]

Answer:

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Step-by-step explanation:

<u>Given </u>

  • cosθ = 4/5
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<u>In the first quadrant both sine and cosine are positive, so as tangent.</u>

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  • 3/5*5/4 =
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