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2 years ago

Which relation is a function? Help please

Mathematics

2 answers:

LenKa [72]2 years ago

6 0

Answer:

The one in the bottom right that is an absolute value function.

Step-by-step explanation:

You can use the "vertical line test" to determine whether a given graph is a function or not. If you can draw a straight, vertical, line anywhere and it intersects the graph more than once, then it is not a function. The one in the bottom right is therefore the answer.

WARRIOR [948]2 years ago

4 0

Answer:

The bottom right (v shaped one) is a function

Step-by-step explanation:

Hope this helps:)

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For example, if it takes 15 hours to travel 900 miles. How many miles will you travel in one hour?

dalvyx [7]

Answer:

60 miles

Step-by-step explanation:

If it takes 15 hours to travel 900 miles then it gives you the fraction 15/900 where the numerator(top number) is 15 and denominator(bottom number) is 900.

Then to simplify it: since 15 is a common factor of itself(15) and 900, 15/15 = 1(1 hour) and 900/15 = 60(60 miles).

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3 years ago

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Oxana [17]

You multiply each point by 1/2 or 0.5 so if you have point A which is at (15,-3) it would become (7.5,-1.5) and you graph it there

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2 years ago

Which of these points lies on the line described by the equation below?

Naddika [18.5K]

Answer:

The answer should be: B. (9,3)

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3 years ago

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A towns population has been growing literally

Tresset [83]

$\bf \begin{array}{ccll}
\stackrel{\textit{years since 2000}}{t}&\stackrel{population}{p}\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
2&29400\\
5&36000
\end{array}\\\\
-------------------------------\\\\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 2}}\quad ,&{{ 29400}})\quad 
% (c,d)
&({{ 5}}\quad ,&{{ 36000}})
\end{array}$

$\bf slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{36000-29400}{5-2}\implies \cfrac{6600}{3}
\\\\\\
2200
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies \stackrel{y}{p}-29400=2200(\stackrel{x}{t}-2)
\\\\\\
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how many in 2007? well, 2007 is 7 years after 2000, thus set t = 7,to get p(t).

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3 years ago

a friend uses the distributive property to simplify 4(2b-5) and gets 8b - 5 as the result. describe and correct the error.

oksian1 [2.3K]

well it would be 8b - 20 because you have to multuply by 4 on 5 too not just 2b

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3 years ago