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natima [27]
2 years ago
13

For the function find f-1(x)

Mathematics
2 answers:
Svetach [21]2 years ago
8 0
The answer is C. i know because i looked it up
Mkey [24]2 years ago
6 0

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

\stackrel{f(x)}{y}=\sqrt[3]{\cfrac{x+6}{2}}\implies \stackrel{\textit{quick switcheroo}}{x=\sqrt[3]{\cfrac{y+6}{2}}}\implies \stackrel{\textit{cubing both sides}}{x^3=\cfrac{y+6}{2}} \\\\\\ 2x^3=y+6\implies 2x^3-6=\stackrel{f^{-1}(x)}{y}

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Step-by-step explanation:

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Answer:

It will take 8 minutes for the temperature to reach 76°

Step-by-step explanation:

The expression for the total temperature in degrees at time t can be written as;

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In our case;

T=76°

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