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Natali [406]
3 years ago
15

What is the inverse of the function f(x) = x – 12?

Mathematics
2 answers:
Genrish500 [490]3 years ago
8 0
F^-1(x)=12+x hope this is what you need
Lyrx [107]3 years ago
7 0
To find the inverse, simply swap x and f(x) and solve for f(x).
x = f(x) - 12
-f(x) = -x -12
f(x)^-1 = x + 12
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in an election between two candidates one got 55% of the total valid votes 20% votes were invalid if the total number of votes w
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Answer:

25%- 1875 Votes

<em>7500 x 0.55 = 4125  (</em><em>first candite valid votes</em><em>)</em>

<em>7500 x 0.20 = 1500 (</em><em>invalid</em><em>)</em>

<em>first candite valid votes</em><em> </em><em>(</em><em>55</em><em>) + invalid votes (</em><em>20</em><em>) = 75% of total votes </em>

<em>first candite valid votes</em><em> </em><em>(</em><em>4125</em><em>) + invalid votes (</em><em>1500 </em><em>) = 5625 of total votes </em>

<em />

<em>100 (</em><em>total</em><em> </em><em>percent of votes</em><em>) - 75 (</em><em>total percent of votes</em><em>) = 25% Votes Left</em>

<em>7500 (</em><em>total</em><em> </em><em>number of votes</em><em>) - 5625 (</em><em>total number of votes</em><em>) = 1875 Votes Left</em>

<em>7500 x 0.25 = 1875 (</em><em>valid votes for the other candite</em><em>)</em>

<em>          </em>

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2 years ago
Ashlyn is selling boxes of cookies for a fundraiser. If she raised $26 selling eight boxes, how much will she raise if she sells
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***WORTH 40 POINTS*** [−3−4x≤21]
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the croccect amswer is A

Step-by-step explanation:

6 0
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Solve the system of linear equations. separate the x- and y- values with a coma. -8x=72-16y
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Let's use the "elimination by addition/subtraction" method to solve this system for x and y.

<span> -8x=72-16y             
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Now combine the following, column by column:

</span><span> -8x=       72-16y
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-----------------------
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Now subst. 7 for y in either of the original equations and calculate x:

<span>4x=-92+16(7)   =>   4x = -92 + 112  =  20.  Then x = 5.

Solution is 5, -7   (or, better written) (5, - 7).</span>
8 0
3 years ago
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