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Alex73 [517]
3 years ago
15

Which of the following is the inverse to the function f(x)= x^2-10

Mathematics
1 answer:
Delvig [45]3 years ago
7 0

as you already know, to get the inverse of any expression we start off by doing a quick switcheroo on the variables and then solve for "y".

\bf \stackrel{f(x)}{y}=x^2-10\implies \stackrel{switcheroo}{x=y^2-10}\implies x+10=y^2\implies \sqrt{x+10}=\stackrel{f^{-1}(x)}{y}

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Answer:

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3 0
2 years ago
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TEA [102]
Ok so:

4(4x+3) = 19x + 9 - 3x +3
parenthesis first:
4 x 4x = 16x    then    4 x 3 = 12

16x + 12 = 19x + 9 - 3x + 3
combine :) :
19x - 3x = 16x   then    9 + 3 = 12

16x + 12 = 16x +12
       -12             -12
16x = 16x
They are the same equations lol they equal 0. 
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3 years ago
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Ainat [17]

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Step-by-step explanation:x=97.76

Explanation:

130 - 100%

x - 75.2%

x

=

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⋅

75.2

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=

97.76

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