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Lilit [14]
3 years ago
7

-y^2+x^3-4x^3-6y^2+5-2-x^3

Mathematics
1 answer:
Alex3 years ago
6 0

\orange{-}\red{-}\green{-}\blue{-}\orange{-}\orange{-}\red{-}\green{-}\blue{-}\orange{-}

{\texttt{{Hello}}}

\gray{\boxed{{\textsf{trouble}}}}

-y  ^ { 2  }  +x  ^ { 3  }  -4x  ^ { 3  }  -6y  ^ { 2  }  +5-2-x  ^ { 3  } \\

\green{\boxed{{\textsf{Development}}}}

-y  ^ { 2  }  +x  ^ { 3  }  -4x  ^ { 3  }  -6y  ^ { 2  }  +5-2-x  ^ { 3  } \\

-y^{2}-3x^{3}-6y^{2}+5-2-x^{3}  \\

-y^{2}-3x^{3}-6y^{2}+3-x^{3}  \\

-y^{2}-4x^{3}-6y^{2}+3  \\

-7y^{2}-4x^{3}+3  \\

\red{\boxed{{\textsf{Answer}}}}

-7y^{2}-4x^{3}+3  \\

\red{\texttt{{\textsf{XxXDxX}}}}

\orange{-}\red{-}\green{-}\blue{-}\orange{-}\orange{-}\red{-}\green{-}\blue{-}\orange{-}

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Let f(x) = x2 - 16. Find f-1(x).
Arisa [49]
f(x)=x^2-16

To find f^{-1}(x), (the inverse of the function) you need to first replace the f(x) with y...
y=x^2-16
Then switch the x and the y.
x=y^2-16
Solve for y.
x+16=y^2
Take the square root of each side...
\boxed{y=\pm\sqrt{x+16}}
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Write an equivalent expression to 9y -1/2(4y+20)
Leya [2.2K]
An equivalent expression could just be one that is simplified. So we get 9y - 2y - 10 if we distribute the 1/2, which is 7y - 10.
---
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==jding713==
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4 years ago
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Simplify √ 105 . A. 2√ 3 B. √ 105 C. 2√ 7 D. √ 42
Digiron [165]
B. \sqrt{105}

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4 years ago
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Given that f(x)= x^3/4 +6<br> a) Find f(4)<br> b) Find f^-1(x)<br> c) Find f^-1(8)
Anna35 [415]

a)

f(4)=\dfrac{4^3}{4}+6=4^2+6=16+6=22

b)

\begin{aligned}\\&y=\dfrac{x^3}{4}+6\\&4y=x^3+24\\&x^3=4y-24\\&x=\sqrt[3]{4y-24}\\&f^{-1}(x)=\sqrt[3]{4x-24}\end

c)

f^{-1}(8)=\sqrt[3]{4\cdot8-24}=\sqrt[3]{8}=2

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