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Salsk061 [2.6K]
2 years ago
12

What is vertical line test is and how it is used?

Mathematics
1 answer:
laila [671]2 years ago
5 0

Answer:

The vertical line test is a visual test used to determine whether or not a graph is a function. To perform this test, simply draw a straight vertical line multiple times on different parts of the graph.

If a vertical line intersects with the graph at one point, then it's a function.

If a vertical line intersects with the graph at multiple points, then it's not a function.

Examples:

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It took Corey 1 hour to paint 40 feet of the fence.
Explanation feet divided by hours.(280/4)
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What are ways that people can stand up for something without bringing violence into it?
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PLS HELP ME WITH MY GEOMETRY
Alex

Answer:

x = 10

z = 116°

Step-by-step explanation:

By the definition of supplementary angles, we have:

Step 1: Find <em>x</em>

7x + 46 + 5x + 14 = 180

12x + 60 = 180

12x = 120

x = 10

Step 2: Find the supplementary angle to <em>z</em>

5(10) + 14

50 + 14

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6 0
3 years ago
Suppose the half-life of a decaying radioactive isotope is 674 years. How long will it takefor the isotope to decay from 100 gra
KonstantinChe [14]

The half life formula is :

N(t)=N_o(\frac{1}{2})^{\frac{t}{T}}

where N(t) = remaining quantity after t years

No = Original Quantity

t = time in years

T = half life in years

From the problem, we have :

N(t) = 30 grams

No = 100 grams

T = 674

Solve for t :

\begin{gathered} 30=100(\frac{1}{2})^{\frac{t}{674}} \\ \frac{30}{100}=(\frac{1}{2})^{\frac{t}{674}} \\ \frac{3}{10}=(\frac{1}{2})^{\frac{t}{674}} \end{gathered}

Take ln of both sides :

\begin{gathered} \ln (\frac{3}{10})=\ln (\frac{1}{2})^{\frac{t}{674}} \\ \ln (\frac{3}{10})=\frac{t}{674}\ln (\frac{1}{2}) \\ t=\frac{674\ln (\frac{3}{10})}{\ln (\frac{1}{2})} \\ t=1170.71 \end{gathered}

The answer is t = 1170.71 years

5 0
2 years ago
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